Peterbilt 389 Schematic (2024)

Peterbilt 389 Schematic (1)

Schematic - 379 Model Family Electrical

P94-6023

C

01

SH

NO.

TITLE

1)

INDEX

85)

ENGINE - CUM ISX ( BJ SERVICES ) ( CONTINUED )

2)

HARNESS ARCHITECTURE

86)

ENGINE ECU POWER

3)

LOCATION OF MAJOR COMPONENTS

87)

CHASSIS SPARE GROUNDS

4)

LOCATION OF MAJOR COMPONENTS

88)

MAIN CAB SPARE RELAY

5)

SYMBOLS INDEX

89)

CHASSIS SENSOR ADD-ON - TRANSFER CASE OIL TEMP / BRAKESAVER OIL TEMP /

6)

SYMBOLS INDEX ( CONTINUED )

GENERAL OIL TEMP / AUX XSMN OIL TEMP # 3 / PTO OIL TEMP

7)

SYMBOLS INDEX ( CONTINUED )

90)

CUMMINS ICON2 IDLE CONTROL

8)

SYMBOLS INDEX ( CONTINUED )

91)

J1939 ARCHITECTURE

9)

CHARGE AND START

92)

TELEMATICS

10)

POWER DISTRIBUTION - UNSWITCHED CIRCUITS

93)

SLEEPER LVD / LVD ADAPTER

11)

POWER DISTRIBUTION - IGNITION SWITCHED CIRCUITS

94)

CUMMINS DUAL STATION CONTROLS ( BJ SERVICES )

12)

POWER DISTRIBUTION - ACCESSORY SWITCHED CIRCUITS

95)

ENGINE BRAKE CONTROLS

13)

POWER DISTRIBUTION - CIRCUIT BREAKER - ENGINE

96)

ENGINE FAN CONTROLS

14)

TURN SIGNALS / HAZARD LIGHTS

97)

LIFT AXLE CONTROL ( W/O AUTO-REVERSE )

15)

STOP LAMPS

98)

LIFT AXLE CONTROL ( W/ AUTO-REVERSE )

16)

MARKER / CLEARANCE LAMPS / LEFT POLE / RIGHT POLE

17)HEADLAMPS

18)BACK - UP LIGHT SWITCH

19)DAYCAB AD / LOADLIGHTS

20)SLEEPER AD / LOADLIGHTS - 48" / 63" HIGH ROOF

21)FOG LIGHTS

22)CAB DOOR LOCKS

23)REMOTE KEYLESS ENTRY RELAY - OPTIONAL

24)CAB DOME LIGHT / DOOR LAMPS / DOOR JAMB / ALARM

25)CAB FOOTLIGHTS / CIGAR LIGHTER / POWER POINT / B - PANEL POWER POINT

26)48" / 63" HIGH ROOF SLEEPER LIGHTS / DOOR LOCK / DOOR JAMB

27)48" / 63" HIGH ROOF SLEEPER POWER ACCESS OUTLETS

28)48" / 63" LOW ROOF SLEEPER

29)70" SLEEPER

30)36" SLEEPER

31)LH DOOR ELECTRIC WINDOW LIFT

32)RH DOOR ELECTRIC WINDOW LIFT

33)MIRRORS - STANDARD / MOTORIZED / HEATED AND MIRROR CONTROL

34)CB RADIO

35)DASH RADIO

36)CAB ROOF SPEAKERS - CONCERT CLASS / CONCERT CLASS PREMIUM

37)CAB ROOF SPEAKERS - CONCERT CLASS EHD

38)RADIO - 48" / 63" / 70" SLEEPER

39)CLOCK

40)WIPER / WASHER

41)ELECTRIC HORN

42)CAB HVAC

43)SLEEPER HVAC - ALL SLEEPERS

44)SLEEPER LOAD CENTER

45)SLEEPER POWER SUPPLY HARNESS

46)NAMUX

47)BACK - LIGHTING ( +12 VOLTS ) AND PANEL LAMPS DIMMER

48)BACK - LIGHTING NEGATIVE LINKS ( GROUND )

49)OUTSIDE AIR TEMPERATURE

50)FIFTH WHEEL / DIFF LOCK / SUSPENSION DUMP VALVE / SPARE ROCKER SWITCHES

51)FUEL LEVEL

52)FUEL FILTER - ACCESSORY POWER

53)PARK BRAKE

54)FORWARD AND REAR DRIVER AXLE TEMP

55)VORAD

56)AIR DRYER

57)FUEL FILTER RESTRICTION

58)TIRE PRESSURE CONTROL SYSTEM ( TPCS ) CAB & CHASSIS

59)AUX TRANSMISSION OIL TEMP

60)EATON ULTRASHIFT TRANSMISSION

61)EATON AUTOSHIFT TRANSMISSION

62)EATON AUTOSHIFT AND ULTRASHIFT TRANSMISSION ( CONTINUED )

63)MERITOR FREEDOMLINE TRANSMISSION

64)WTEC TRANSMISSION ( ALLISON )

65)WTEC TRANSMISSION ( ALLISON ) ( CONTINUED )

66)EATON LIGHTNING TRANSMISSION POWER

67)MAIN CAB ABS CONNECTIONS

68)BENDIX ABS SYSTEM

69)BENDIX ABS SYSTEM ( CONTINUED )

70)BENDIX ABS ( CHASSIS )

71)WABCO ABS SYSTEM ( E-BASIC )

72)WABCO ABS SYSTEM ( E-UNIVERSAL )

73)TRAILER ABS

74)MAIN CAB ENGINE FIREWALL BULKHEAD

75)ENGINE - CAT C11 / C13 AND C15

76)ENGINE - CAT C11 / C13 AND C15 ( CONTINUED )

77)ENGINE - CUM ISM

78)ENGINE - CUM ISC / ISL

79)ENGINE - CUM ISX

80)ENGINE - CUM ISM ( BJ SERVICES )

81)ENGINE - CUM ISM ( BJ SERVICES ) ( CONTINUED )

82)ENGINE - CUM ISM ( BJ SERVICES )

83)ENGINE - CUM ISM ( BJ SERVICES ) ( CONTINUED )

84)ENGINE - CUM ISX ( BJ SERVICES )

Peterbilt 389 Schematic (2)

Schematic - 379 Model Family Electrical

P94-6023

C

02

SLEEPER

TELEMATICS

HVAC

SYSTEM

SLEEPER

ROOF

HOOD

FIREWALL

HARNESS

HARNESS

HARNESS

HARNESS

CAB

HVAC

SYSTEM

CHASSIS

TAIL LAMP

HARNESS

HARNESS

DASH PANEL

MAIN CAB

HARNE SSES

HARNESS

( A , B , C )

TRAILER

HARNESS

ABS

ABS

CHASSIS

DASH

VORAD

HARNESS

HARNESS

VORAD

CAB

CHASSIS

HARNESS

HARNESS

ENGINE FAN

JAKE BRAKE

DOOR

HARNESS

HARNESS

POWERTRAIN

HARNESS

ENGINE HARNESS

TRANSMISSION HARNESS

HARNESS ARCHITECTURE

Peterbilt 389 Schematic (3)

Schematic - 379 Model Family Electrical

P94-6023

C

03

LOCATIONS OF MAJOR ELECTRICAL MODULES IN 379E CAB AND SLEEPER

INSTRUMENTATION CONTROL UNIT MODULE

RELAY ASSEMBLY

GPS ANTENNA ( OPTIONAL )

AUDIO AMPLIFIER ( OPTIONAL )

ANTENNA MULTIPLEXER ( OPTIONAL )

TURNSTALK MODULE

GPSNET MODEM ( OPTIONAL )

VORAD ECU ( OPTIONAL )

REMOTE KEYLESS ENTRY MODULE ( OPTIONAL )

MIRROR CONTROL MODULE ( OPTIONAL )

SLEEPER LOAD CENTER

J1587 DATA BUS CONNECTOR

SLEEPER LOW VOLTAGE DISCONNECT

( OPTIONAL )

LOW VOLTAGE DISCONNECT

( OPTIONAL )

ENGINE HARNESS FIREWALL CONNECTOR

SCALE 1:8

ABS HARNESS FIREWALL CONNECTOR

FUSE BLOCK

FIREWALL CONNECTOR - HOOD AND TRAILER HARNESS

FIREWALL CONNECTOR - ENGINE AND CHASSIS HARNESS

LOCATION OF MAJOR COMPONENTS

ABS ELECTRONIC CONTROL UNIT

Peterbilt 389 Schematic (4)

Schematic - 379 Model Family Electrical

P94-6023

C

04

LOCATIONS OF ELECTRICAL MODULES IN 379E CAB AND SLEEPER

ANTENNA MULTIPLEXER

AUDIO AMPLIFIER

( OPTIONAL )

( OPTIONAL )

TURN STALK MODULE

ENGINE HARNESS FIREWALL

CONNECTOR

ABS HARNESS FIREWALL

CONNECTOR

J1587 DATA BUS CONNECTOR

LOW VOLTAGE DISCONNECT ( OPTIONAL )

J1939 CONNECTOR

DIAGNOSTIC CONNECTOR

FIREWALL CONNECTOR

HOOD AND TRAILER

FIREWALL CONNECTOR

ENGINE AND CHASSIS

CAB

LEFT SIDE VIEW

ANTENNA MULTIPLEXER

( OPTIONAL )

AUDIO AMPLIFIER

GPS ANTENNA

GPS ANTENNA

( OPTIONAL )

( OPTIONAL - PROPOSED LOCATION)

( OPTIONAL - PROPOSED LOCATION )

TURN STALK MODULE

RELAY ASSEMBLY

INSTRUMENTATION UNIT CONTROL MODULE

GPSNET MODEM

( OPTIONAL )

ENGINE HARNESS FIREWALL CONNECTOR

VORAD ECU

( OPTIONAL )

ABS HARNESS FIREWALL CONNECTOR

INSTRUMENTATION CONTROL UNIT MODULE

RELAY ASSEMBLY

REMOTE KEYLESS ENTRY MODULE ( OPTIONAL )

J1587 DATA BUS CONNECTOR

MIRROR CONTROL MODULE ( OPTIONAL )

LOW VOLTAGE DISCONNECT ( OPTIONAL )

J1939 CONNECTOR

DIAGNOSTIC CONNECTOR

ABS ELECTRONIC CONTROL UNIT

FUSE BLOCK

SCALE 1:6

FUSE BLOCK

CAB REAR VIEW

REAR WALL AND BULKHEADS NOT SHOWN }

CLOSET WALL

NOTE:

IN 36" SLEEPER, LOAD CENTER IS MOUNTED ON FRONT WALL

IN 70" SLEEPER, LOAD CENTER IS MOUNTED UNDER BUNK

SLEEPER LOAD CENTER

SCALE 1:16

SLEEPER

SLEEPER

LEFT SIDE VIEW

REAR VIEW

SLEEPER LOW VOLTAGE DISCONNECT

REAR WALL AND BULKHEADS NOT SHOWN

( OPTIONAL )

GPSNET MODEM ( OPTIONAL )

RH FIREWALL FEED-THROUGH

VORAD ECU

( OPTIONAL )

OPTIONAL FEED-THROUGH FOR

AUTOMATIC TRANSMISSION VORAD

DUAL STATION

REMOTE KEYLESS ENTRY MODULE ( OPTIONAL )

MIRROR CONTROL MODULE ( OPTIONAL )

ABS ELECTRONIC CONTROL UNIT

FIREWALL CONNECTORS

LOCATION OF MAJOR COMPONENTS

Peterbilt 389 Schematic (5)

Schematic - 379 Model Family Electrical

SYMBOL / ABBREVIATION KEY

1)STUD

2) Peterbilt 389 Schematic (6) SPLICE

3)RING TERMINAL CONNECTORS

4)

NUMBERS

EX

CIRCUIT DESCRIPTION

SUFFIX

ALPHA

286

-1

A

5)

BUSS BAR

NA

NA

6)

CB

CIRCUIT BREAKER

7)

CLC

CHASSIS LOAD CENTER

8)

SLPR

SLEEPER

9)

TRLR

TRAILER

10)

MFTS

MULTI-FUNCTION TURN STALK

11)CONTINUED TO OTHER SH XX

12)

MOMENTARY CONTACT

SHEET NUMBER

CONTACT

SWITCH

13)BULB

14)GROUND

15)DIODE

16)RESISTOR

17)CAPACITOR

18)POLYFUSE

19)

LIGHT-EMITTING DIODE

SYMBOLS INDEX

P94-6023

C

05

20)

SW20-2_c0

STARTER THERMAL OVERLOAD SWITCH

21)

5-SW21

NEUTRAL START SWITCH

22)

BATTERIES

BATTERY

B+

23)

G

ALTERNATOR

W/L

D+

B-

24)

CB2-2

CIRCUIT BREAKER

150

AMP

CIRCUIT BREAKER

25)

+

STARTER

S

STARTER

26)

POSITION 1

POSITION 0

POSITION 2

WINDOW SWITCH

1

3

2

4

6

5

1

3

2

4

6

5

1

3

2

4

6

5

Peterbilt 389 Schematic (7)

Schematic - 379 Model Family Electrical

P94-6023

C

06

27)

J1939 CABLE SHIELD

34)

TWISTED TRIPLET

28)TWISTED PAIR

29)PRESSURE SWITCH

30)LAMP

31)LIGHT

32)IGNITION SWITCH

1

3

6

2

33)WINDOW LIFT MOTOR

M

SYMBOLS INDEX ( CONTINUED )

Peterbilt 389 Schematic (8)

Schematic - 379 Model Family Electrical

P94-6023

C

07

FUSES

1)25 A FUSE

2)

XX AMP

3)

F1_0

AMP

XX

XX

4)XX XXX

XXXX

XX XX

XX XX

FUSE

5)

10 AMP

6)XX AMP

ROCKER SWITCH ICONS

LOAD LIGHT

CLEARANCE LIGHT

TRAILER LIGHT

SPOT LIGHT

FOG LIGHT

BEACON / STROBE

HEADLIGHT

FUEL SELECT

FUEL HEAT

CRUISE SELECT

REMOTE THROTTLE

REMOTE THROTTLE

ENGINE DIAGNOSTIC

ENGINE FAN

OVERRIDE

RANGE SELECT

PTO

CRUISE ON / OFF

ATC

SLEEPER

TRAILER

BRAKESAVER

HAZARD

TRANSMISSION

REAR A / C

INSTRUMENT

AUXILIARY

DECK POWER

FLASHING

FLUORESCENT

AUXILIARY

RETARDER

DIMMER

SIDE LAMPS

SIDE LAMPS

DOOR LOCKS

LIFTABLE TAG AXLE

LIFTABLE PUSHER AXLE

DIFFERENTIAL LOCK

TRAILER DUMP

TRAILER DUMP

OFFROAD

WINDOW LIFT

ENGINE BRAKE

ABS

SYMBOLS INDEX ( CONTINUED )

Peterbilt 389 Schematic (9)

Schematic - 379 Model Family Electrical

P94-6023

C

08

RELAYS

7)

K03-1-1

STARTER RELAY

1)

A B

C D E F

87A

30

87

XX

86

c

85

X

J78-1

2)

XX

INTAKE AIR HEATER RELAY

C

8)

87A 87

R11-1

ENGINE INTERRUPT RELAY

86

30

85

ENGINE

INTERRUPT

3)

RELAY

LATCHING

9)

87A

START ENABLE RELAY

RELAY

START

30

87

ENABLE

RELAY

85

86

R10-1

10)

BACKUP LAMP

BACK-UP LAMP RELAY

RELAY

R1

87A

4)

87

30

86

C

85

XX

K18-01

5)

11)

RELAY

87A

87A

87

30

30

87A

86

c

85

85

30

87

87

85

86

86

R18-A

87A

6)

87

30

86

85

SYMBOLS INDEX ( CONTINUED )

Peterbilt 389 Schematic (10)

Schematic - 379 Model Family Electrical

P94-6023

C

10

FB6

FB7

F1A-6

RED2990

SH 14, REFDES J12, NODE 2

F4A1-7

SH 40, REFDES J12-3, NODE 2

SH 41, REFDES S76, NODE 1

FIREWALL

RED1210-24

RED2990-2

RED0712-3

RED1210-12

J51

P51

LVD

3 AMP

SH 17, REFDES J12-1, NODE 2

10 AMP

V ( OUT )

RED2990-1

MAIN CAB

RED1210-23

1

1

F2A-6

SH 16, REFDES S38, NODE 1

POWER

RED2414

LVD

15 AMP

V ( IN )

FB2

T4

S52-1

S54-2

F3A-6

RED1210-22

RED2300

SH 14, REFDES S113, NODE 1

SPARE BAT PWR

150 AMPS

RED1210-21

25 AMP

OR

RED1210-68

RED1260

RED1210-27

F7A-2

F4A-6

SH 17, REFDES J12-1, NODE 4 RED2100-8

170 AMPS

ENGINE

CAB

SH 17, REFDES S33, NODE 1

RED1210-15

( WITH SLEEPER )

RED2100-4

20 AMP

SH 11, REFDES S43 , NODE 1

20 AMP

RED1210-68

S55-1

SH 11, REFDES K5 / K13 / K17, NODE 30-3

F5A-6

RED1210-17

RED1210-20

SH 22, REFDES J17-2, NODE A

T5-1

RED6700-5

5 AMP

1

WHT1500

F6A-6

MAIN GROUND

SH 22, REFDES P43, NODE B

RED6750-0

S41-3

10 AMP

RED1210-11

RED1210-13

RED1210-14

RED1210-18

RED1210-30

RED1210-19

WHT0710-10

FB1

RED1210-12

F7A-6

SH 14, REFDES S87, NODE 1

FB8C

SPARE BATT PWR

RED2300-44

SPARE POWER CONN

F1A-1

25 AMP

T1-A

T1-B

F1B-1

RED0710-1

1

1

50 AMP

T2-A

T2-B

RED0710-2

F2A-1

F2B-1

ORN1221-2

SH 11, REFDES S22 , NODE 1

1

1

50 AMP

ORN1250-10

SH 12, REFDES S3-1, NODE 1

F3A-1

F3B-1

RED0710-3

T3-A

T3-B

RED1260

K13

MAIN ACC

K17

ACCESSORY

50 AMP

S31-1

RELAY

RELAY

1

1

WHT1500-232

WHT1500-231

85-2

( LVD SWITCHED )

87A-3

SH 12, REFDES S3-1, NODE 1

87A

87A

ORN1250-11

86-2

RED1210-19

30-3

T4-A

T4-B

F4A-1

F4B-1

S80

SH 11, REFDES S53, NODE 1

87A-2

30

87

WHT1500-232

85-3

30

87

1

1

RED0790-1

RED1260-7

RED1260-8

ORN1220-51

87-2

85

86

ORN1221-2

87-3

85

86

50 AMP

RED1260-9

F5A-1

F5B-1

RED1260-8

30-2

R13-1

ORN1250-10

86-3

R17-2

T5-A

T5-B

RED0790-2

RED1260-11

FB5

1

1

50 AMP

SH 46, REFDES P63, NODE 1

SH 21, REFDES S21-1, NODE 1

F6A-1

F6B-1

F1A-5

RED4100

WHT1500-31

RED0790-3

T6-A

T6-B

RED1210-14

FB3

50 AMP

3 AMP

1

1

RED4100-8

SH 47, REFDES P63-1, NODE 1

F1A-3

F2A-5

SH 25, REFDES P4 , NODE A

SH 35, REFDES J80, NODE B

RED1260-9

RED6951

RED6100-1

10 AMP

SH 15 , REFDES T2 , NODE 1

10 AMP

CB1

F3A-5

F2A-3

SH 21, REFDES P13 , NODE 2B

RED2951

SH 67, REFDES P15 , NODE A

RED5110

20 AMP

F5A

15 AMP

F3A-3

RED2415-1

F4A-5

SH 25, REFDES P32, NODE C

RED6952

25 AMP

SH 37 , REFDES J100 , NODE B

RED6140

10 AMP

SH 16 , REFDES K2, NODE 30

F6A

25 AMP

F4A-3

RED2412-1

RED1210-30

F5A-5

SH 34, REFDES P92-4, NODE 4

20 AMP

SH 24, REFDES S16 , NODE 1

RED6291

YEL2619-2

YEL2640

10 AMP

3 AMP

F6A-5

RED4210

SH 46, REFDES J41, NODE 2

RED1210-13

15 AMP

RED4210-1

SH 47, REFDES J41-1, NODE 2

F5A-3

SH 25, REFDES P32 , NODE E

RED1260-11

RED6950

SH 25, REFDES S115 , NODE 1

YEL2619-2

10 AMP

SH 25, REFDES F4A-1, NODE1

RED1210-18

F6A-3

SH 24, REFDES P92-2, NODE 1

RED2611

SH 25, REFDES P51-1, NODE1

RED1260-30

20 AMP

SH 25, REFDES K13 , NODE 30

RED1260-6

F7A-3

RED0711

SH 19, REFDES S28 , NODE 1

10 AMP

POWER DISTRIBUTION-

UNSWITCHED CIRCUITS

Peterbilt 389 Schematic (11)

Schematic - 379 Model Family Electrical

P94-6023

C

11

SH 10, REFDES K5 / K13 / K17_c0 , NODE 87-3

ORN1221-2

NOTE: ORN1220-40 & ORN1220-51 ( SH 10 )

ARE SAME CIRCUITS

ORN1221-1 & ORN1221-2 ( SH 10 )

ARE SAME CIRCUITS

K13

MAIN ACC

RELAY

WHT1500-34

85

( LVD SWITCHED )

87A

SH 12, REFDES S3-1, NODE 1

ORN1250-9

86

87A

30

87

ORN1220-40

87

85

86

SH 10, REFDES S80, NODE 1

RED1260-6

30

R13-2

ORN1220-40

RED1210-17

K17

ACCESSORY

ORN1221-1

30-3

RELAY

87A-3

SH 10, REFDES S55-1, NODE 1

87A

S31

WHT1500-36 85-3

30

87

85

86

ORN1221-1 87-3

SH 12, REFDES S3-1, NODE 1

ORN1250-12

86-3

R17-1

WHT1500-30

FB5

SH 15, REFDESS21-3, NODE1

SH 33, REFDESS36, NODE1

F7A-5

ORN5920

ORN1220-42

10 AMP

SH 10, REFDESK5 / K13_c0, NODE 87-2

ORN1220-51

J86

S22

SH 9, REFDES S52, NODE 1

SH 74, REFDES J50-6, NODE 27

LVD

SH 10, REFDES S52-1, NODE 1

CONNECTOR

-88

RED1210-67

-RED121068

ORN1221

51-WHT1500

16-RED1210

RED1210

C

A

B

WHT1500-58

S43

FB4

S6-13

ORN1221-3

F1A-4

ORN1220-55

25 AMP

F2A-4

S53

20 AMP

F3A-4

20 AMP

F4A-4

20 AMP

F5A-4

ORN1220-46

30 AMP

F6A-4

20 AMP

SH 46, REFDES S100, NODE 1

F7A-4

ORN4220-4

SH 47, REFDES S100-1, NODE 1

ORN4220

5 AMP

FB7

F1A-7

ORN1221-17

5 AMP

F2A-7

20 AMP

SH 67, REFDES S114, NODE 1

F3A-7

ORN5110

5 AMP

F4A-7

10 AMP

F5A-7

2 AMP

F6A-7

ORN1220-44

15 AMP

T5-29

S4-18

S21-23

S41-33

1

MAIN

WHT1500-57

WHT1500-56

WHT1500-0

GROUND

ORN7210

ORN1229-19

ORN1229

ORN1229-13

ORN5921

ORN6911

ORN9920-1

ORN6912

ORN1221-3

ORN2990-1

ORN2990

ORN2990-0 ORN5910-10

SEE SH 10

ORN3600

ORN7110

SH 42, REFDES P47, NODE 2

SH 52, REFDES S11-2, NODE 1 SH 18, REFDES S11, NODE 1 SH 56, REFDES S11-1, NODE 1

SH 33, REFDES S78, NODE 1

SH 31, REFDES P38, NODE 3

SH 73, REFDES J1-11, NODE G2

SH 31, REFDES P38, NODE 1

SH 40, REFDES J11-5, NODE 18

SH 14, REFDES J11, NODE 18 SH 17, REFDES J11-1, NODE 18 SH 40, REFDES S110, NODE 1

SH 50, REFDES S40, NODE 1

SH 42, REFDES S57, NODE 1

WHT0730-5

FB9C

SPARE POWER CONN

T1A T1B

1 1

T2A T2B

1 1

T3A T3B

1 1

T4A T4B

1 1

T5A T5B

1 1

T6A T6B

1 1

FB2

SPARE BAT PWR

F1A-2

F1B-2

ORN0730-1

ORN1220-48

50

AMP

F2A-2

ORN0730-2

F2B-2

50

AMP

F3A-2

F3B-2

ORN0730-3

50

AMP

F4A-2

F4B-2

ORN0730-4

ORN1220-47

50

AMP

F5A-2

ORN0730-5

F5B-2

50

AMP

F6A-2

ORN0730-6

F6B-2

50

AMP

POWER DISTRIBUTIONIGNITION SWITCHED CIRCUITS

Peterbilt 389 Schematic (12)

Schematic - 379 Model Family Electrical

P94-6023

C

12

P2-1

1

1

ORN1230-1

3

3

6

2

IGNITION

SWITCH

ORN1250-5

SH 10, REFDES K5 / K13_c0, NODE 86-2

ORN1250-11

SH 11, REFDES K13, NODE 86

S3-1

ORN1250-9

SH 10, REFDES K5 / K13 / K17_c0, NODE 86-3

ORN1250-10

SH 11, REFDES K5 / K13 / K17, NODE 86-3

J3-1

P3-1

ORN1250-12

ORN1250-4

1

1

ENG RUN

POWER

INTERUPT

SH 17, REFDES J11-1, NODE 13

GRA2121-4

SH 9, REFDES P2, NODE 1

ORN1230

SH 10, REFDES S54-2, NODE 1

RED1210-18

CB2

ORN1230-1

F1A-1

ORN1230

ORN4230

5 AMP

F2A-1

ORN6100-26

ORN6100-9

10 AMP

ORN6100

F3A-1

ORN1250-3

ORN3111

2 AMP

F4A-1

RED1210-18

ORN1910-5

20 AMP

F5A-1

YEL2121-1

15 AMP

F6A-1

GRA2121-4

YEL2121-5

15 AMP

SH 46, REFDES J27, NODE 3

SH 26, REFDES S105-7, NODE 1

SH 43, REFDES S105-1, NODE 1 SH 35, REFDES S105-2, NODE 1

SH 74, REFDES S101-7, NODE 1

SH 13, REFDES S51, NODE 1

SH 17, REFDES J1-5, NODE A7

SH 17, REFDES S9, NODE 1

POWER DISTRIBUTIONACCESSORY SWITCHED CIRCUITS

Peterbilt 389 Schematic (13)

Schematic - 379 Model Family Electrical

P94-6023

C

13

P2-3

S51

1

4

ORN1910-2

3

6

2

IGNITION

SWITCH 5 -ORN1910

SH 12, REFDES F4A-1, NODE 2

SH 17, REFDES J11-1, NODE 16

CB1

F1A

SH 74, REFDES P8, NODE C

ORN1910-1

ORN3940-1

10 AMP

F2A

SH 46, REFDES J14, NODE B

ORN0800

10 AMP

F3A

SH 17, REFDES J1-5, NODE B7

GRA2111

YEL2111-2

10 AMP

F4A

SH 17, REFDES J1-5, NODE G8

YEL2111-1

10 AMP

POWER DISTRIBUTION-

CIRCUIT BREAKER-ENGINE / LOW BEAM FEED

Peterbilt 389 Schematic (14)

Schematic - 379 Model Family Electrical

P94-6023

C

14

FIREWALL

LEFT

RIGHT

MIRROR

MIRROR

TURN

TURN

MAIN

SH 15, REFDES J4, NODE B

GROUND

T5-7

1

J5

1

J6

1

SH 15, REFDES J4, NODE C

SPARE TURN

B

YEL2312

P521-3

J2

WHT1500-2

YEL2311-6

YEL2312-6

YEL2311-8

YEL2312-8

J523

SIGNAL

A

YEL2311

E1

E1

YEL2311-7

WHT1500-159

C1

C1

YEL2312-7

B1

B1

YEL2322-2

F1

F1

YEL2332-1

P535

P532

F2

F2

S21-2

WHT1500-1

S41-12

WHT2400-0

YEL2322-7

D

D

YEL2322

YEL2332-6

C

C

YEL2332

WHT2400-4

E

E

WHT2400-3

LEFT REAR

TURN

CHASSIS

CAB

JUMPER

HARNESS

CHASSIS

CONNECTOR

P537

WHT1500-159

WHT1500-160

YEL2311-8

YEL2311-9

YEL2311-15

YEL2322-7

D

YEL2322-1

C

WHT2400-20

E

RIGHT REAR

TURN

P243

J1

S243-1

HOOD

S6-4

S4-4

A4

A4

WHT2100-2

WHT2100-1

WHT1500-158

YEL2312-1

G5

G5

YEL2312-3

YEL2311-1

A5

A5

YEL2311-3

TRAILER

G1

G1

YEL2311-4

S7

YEL2311-5

S19

S8

S20

B1

B1

YEL2312-4

YEL2312-5

YEL2312-8

CAB

YEL2312-9

P261

HOOD / TRAILER

YEL2312-12

WHT2100-3

YEL2311-1

WHT2100-4

YEL2312-1

YEL2311-2

YEL2312-2

P262-1

A B

C

P245

A

B

C

P246

WHT YEL GRN

LEFT FRONT

RIGHT FRONT

TRAILER PLUG

TURN

TURN

WHT9000

CONNECTOR

TRAILER LEFT /

RIGHT TURN

1

J263

TRAILER

GROUND

P40

5B

10

3

GRN2990

RED0712-6

RED0712-7

S66

S17

WHT1500-46

S112-1

6-GRN2990 Peterbilt 389 Schematic (15)S87

7

9

3

B

2B

1

A

B

6

5B

HAZARD

4

A

9

6

8

7

2B

SWITCH

8

10

BRN2622

PRP2980

WHT1500-17

WHT1500-16

RED0712-5

S72

RED0712-8

SH 46, REFDES J27, NODE 4

BRN2622

SH 39, REFDES S25, NODE 1

J11

ORN2990

18

IGNITION PWR

PRP2980

15

HAZARD INPUT

YEL2311-9

2

TURN LEFT FRONT

YEL2311-15

1

TURN LEFT FRONT

YEL2332-1

9

TURN LEFT REAR

MFTS

RED2300-1

3

TURN LEFT PWR

MODULE 1

21 WAY

RED2300-3

6

TURN LEFT PWR

GRN2990-1

21

SWITCH COMMON

WHT2990-2

20

MODULE GROUND

PRP2310-2

11

LEFT / RIGHT TURN INPUT

ORN2990

SH 11, REFDES F1A-7 , NODE 2

S113

RED2300

SH 10, REFDES F3A-6 , NODE 2

J15

GRN2990-7

12

SWITCH COMMON

TURN STALK

PRP2310-2

2

LEFT / RIGHT TURN INPUT

CONNECTOR

WHT2990-3

1

GROUND

12 WAY

J12

RED2300-4

8

TURN RIGHT PWR

RED2990

2

MODULE POWER

WHT2990-1

1

MODULE GROUND

MFTS

7

MODULE

YEL2312-9

TURN RIGHT FRONT

12 WAY

YEL2322-2

12

TURN RIGHT REAR

YEL2312-12

10

TURN RIGHT FRONT

RED2300-5

11

TURN RIGHT PWR

RED2990

SH 10, REFDES F1A-6, NODE 2

RED2300-44

SH 10, REFDES F7A-6, NODE 2

RED0712-5

SH 41, REFDES S76, NODE 1

GRN2990-6

SH 17, REFDES S112, NODE 1

YEL2311-10

SH 46, REFDES J27, NODE 8

YEL2312-10

SH 46, REFDES J27, NODE 9

NOTE :

MULTI-FUNCTION TURN STALK ( MFTS )

TURN SIGNALS / HAZARD LIGHTS

Peterbilt 389 Schematic (16)

Schematic - 379 Model Family Electrical

P94-6023

C

15

FIREWALL

PRESSURE SWITCH

SH 55, REFDES J591, NODE C9

TRAILER

STOP LAMP

SH 55, REFDES J591, NODE D15

BRAKE

POWER

T1

1

T2

1

SH 55, REFDES J591, NODE C15

YEL2415-13

RED2415-1

MFTS

YEL2415-12

YEL2311-11

YEL2312-11

TURN

MODULE

P595

SIGNAL

21 WAY

A

B

C

MAIN CAB

6

J12-2

J4

A

B

C

VORAD

BRAKE LAMP

CONNECTOR

RED2415-1

SH 10, REFDES F5A, NODE 2

YEL2415-8

YEL2415-6

YEL2311-8

YEL2312-8

SH 14, REFDES S20, NODE 1

SH 14, REFDES S19, NODE 1

SH 67, REFDES P15, NODE B

S5

YEL2415-14

SERVICE

K11

BRAKE

RELAY

YEL2415-9

85

87A

GRN3115-48

30

30

87

GRA2415-3

87A

85

86

S21-3

S4-20

87

R6-1

SH 11, REFDES S31, NODE 1

WHT1500-30

86

WHT1500-67

WHT1500-8

-60

WHT1500

GRA2415-3

SH 74, REFDES J50-6, NODE 20

GRN3115-48

SH 74, REFDES S102-7, NODE 1

P262-2

P261-2

J1-3

RED

RED9120-4

F1

F1

YEL2415-10

WHT

WHT9000-3

S41-13

TRAILER

TRAILER

MAIN CAB

BREAK-AWAY

TRAILER

PLUG

STOPLIGHTS

CONNECTOR

CONNECTOR

-61

WHT9000-3

WHT1500

NOTE:

MULTI-FUNCTION TURN STALK ( MFTS )

J263-2

1

TRAILER

GROUND

1

T5-8

MAIN

GROUND

STOP LAMPS

Peterbilt 389 Schematic (17)

Schematic - 379 Model Family Electrical

P94-6023

C

16

SPARE

SPARE

MARKER

MARKER

LIGHT # 1

LIGHT # 2

J522

1

1

J530

YEL2412-10

YEL2412-11

S522

LEFT HAND

TAIL / SIDE

MARKER LIGHT

YEL2422-20

B

B

YEL2422-8

WHT2400-8

E

E

WHT2400-7

P535-2

P532-2

S521-1

RIGHT HAND

B

YEL2422-20

TAIL / SIDE

E

MARKER LIGHT

WHT2400-8

P537-2

S242

S243-2

YEL2422-2

WHT2100-9

YEL2422-4

WHT2100-8

YEL2422-11

YEL2422-12

A

B C

P245-1

A

B C P246-1

P254 1

1 P253

LEFT

RIGHT

LEFT

RIGHT

MARKER

MARKER

POLE

POLE

WHT2600-33

SH 33, REFDES P312, NODE 1

S298-1

S296

W

H

T2600-17

FIREWALL

SH 17, REFDES S88, NODE 1

SH 23, REFDES S26-2, NODE 1

SH 17, REFDES P48, NODE 3

GRA2422-13

CHASSIS

GRA2422-6

RED2100-7

FIREWALL

MAIN CAB

CONNECTOR

YEL2412-12

B2

B2

YEL2412-6

YEL2422-8

A1

A1

YEL2422-7

YEL2422-15

WHT2400-6

F2

F2

WHT2400-5

P521-2

J2-3

S2

FIREWALL

HOOD

MAIN CAB

YEL2422-3

G4

G4

YEL2422-10

WHT2100-7

A4

A4

WHT2100-6

P243-1

J1-4

FIREWALL

TRAILER

MAIN CAB

A2

A2

YEL2412-14

A1

A1

S1

WHT9000-1

YEL2412-13

YEL2422-6

YEL2422-13

P261-1 J1-7

S6

WHT BLK BRN

TRAILER PLUG

P262

CONNECTOR

-62

WHT1500

1 J263-1

TRAILER

FIREWALL

GROUND

ROOF

S4-5

DASH

MAIN CAB ROOF

CONNECT

HARNESS

WHT2600-1

3

3

WHT2600

YEL2412-15

9

9

YEL2412-0

S291-2

J298-1

P92

P45 6

GRA2422-8

S26

YEL2422-21

7 9

3 B

2B

A

1

6 B

5B

4 A

MARKER LAMP 8 10 SWITCH

3

5B

2B

7

8

9

10

YEL2422-19

RED2100-22

RED2100-7

WHT1500-69

WHT1500-70

BRN2622-1

YEL2422

S45

Peterbilt 389 Schematic (18) SEE

SH 47

S46-4

GRA2422-11

YEL2412-7

S89

YEL2422-5

RED2100-9

WHT1500-376

YEL2422

YEL2422-9

WHT1500-63

RIGHT WINDOW

MARKER LAMP

J32

1

J33

1

YEL2412

WHT1500-71

WHT1500-38

S21-4

S299-1

WHT2600-16

YEL2412-5

WHT2600-15

YEL2412-4

WHT2600-14

YEL2412-3

WHT2600-13

YEL2412-2

WHT2600-12

YEL2412-1

P304 B

A

P305 B

A

P306 B

A

B

A P307

B

A P303

LH CLEARANCE

LH ID

CTR ID

RH ID

RH CLEARANCE

LAMP

LAMP

LAMP

LAMP

LAMP

MIRROR

MARKER

LIGHTS

J37

1

YEL2412-8

S24

WHT1500-64

TURN STALK CONNECTOR 12 WAY

J15-1 6

GRA2412

S46-9

WHT1500-401

S41-14

MARKER LAMP FLASH INPUT

MARKER LAMP FLASH

BUTTON ON END

OF STALK

K19

GRA2422-10 87A-5

GRA2422-11 30-5

GRA2412 85-5

87-5 RED2414-4 86-5

K1

S38

RED2414-3 30

WHT1500-400 86 87A

YEL2412-9 87

S37

GRA2422-7 85

K2

YEL2422-9 87

GRA2422-9 85

RED2412-1 30

WHT1500-402 86

87A

MARKER LT

FLASH 87A

30 87

8586

R19-1

RED2414

CLEARANCE

LIGHTS

87A

30 87

8586

R1-1

TAIL /

MARKER

87A

30 87

8586

R2-1

RED2412-1

T5-9

1

MAIN

WHT1500-65

GROUND

YEL2422-15 WHT1500-376

RED2100-9 YEL2422-5 YEL2422-21

SH 10, REFDES F2A-6, NODE 2

Peterbilt 389 Schematic (19) SH 10, REFDES F6A, NODE 1

SH 18, REFDES J2-1, NODE A1

SH 17, REFDES S46, NODE 1

Peterbilt 389 Schematic (20)SH 17, REFDES P48, NODE 10

Peterbilt 389 Schematic (21)SH 17, REFDES P48, NODE 3 Peterbilt 389 Schematic (22)SH 46, REFDES J27, NODE 5

MARKER / CLEARANCE LAMPS / LEFT POLE / RIGHT POLE

Peterbilt 389 Schematic (23)

Schematic - 379 Model Family Electrical

P94-6023

C

17

NOTE:

7

9

MULTI-FUNCTION TURN STALK ( MFTS )

3

B

HDLP DIMMER INPUT

2B

HDLP FLASH INPUT

HDLP FLASH INPUT

1

A

HDLP LOW PWR

HIGH BEAM OUT

LOW BEAM OUT

HDLP ON / OFF

MODULE GROUND

IGNITION POWER

SWITCH COMMON

HDLP HIGH / LOW

MODULE POWER

MODULE GROUND

HDLP HIGH PWR

SWITCH COMMON

FIREWALL

B

5B

6

4

A

GROUND

8

10

MFTS

MFTS

TURN STALK

2B

10

3

7

8

9

5B

6

P48

J11-1

19

13

16

5

20

8

18

21

MODULE 1

J12-1

MODULE

J15-2

5

4

12

1

CONNECTOR

HEADLAMP

SWITCH

21 WAY

3

2

1

4

12 WAY

12 WAY

SH 16, REFDES P45, NODE 2B

RED2100-7

RED2100-3

RED2100-9

YEL2422-5

GRA2422-13

WHT1500-378

YEL2141-1

BRN2622-2

YEL2141

GRN2990-3

RED2100-0

GRA2121-4

GRA2111

YEL2141

WHT2990-5

PRP2145

ORN2990-0

GRN2990-2

PRP2142

RED2990-1

WHT2990-4

PRP2145

PRP2142

GRN2990-4

WHT2990-6

RED2100-8

SH 10, REFDES F7A-2 , NODE 1

S243-3

P243-2

J1-5

S88

RED2990-1

SH 10, REFDES F1A-6 , NODE 2

SH 11, REFDES F1A-7, NODE 2

WHT2100-11

A4

A4

WHT2100-10

ORN2990-0

YEL2121-2

B4

B4

YEL2121

S6-1

YEL2111-4

G8

G8

YEL2111-1

S9

YEL2111-3

B7

B7

YEL2111-2

YEL2121-3

A7

A7

YEL2121-1

GRA2111

SH 13 , REFDES F3A , NODE 1

WHT2100-12

WHT2100-13

HOOD

MAIN CAB

YEL2111-2

YEL2111-1

YEL2121-7

YEL2121-5

RED2100-5

GRA2121-4

SH 12 , REFDES F6A-1, NODE 1

YEL2111-3

YEL2121-2

YEL2111-4

YEL2121-3

SH 12, REFDES F5A-1, NODE 2

SH 13, REFDES F3A , NODE 2

A

B

C

P251

A

B

C

P250

SH 13, REFDES F4A, NODE 2

LEFT

RIGHT

HEADLAMP

HEADLAMP

SH 46, REFDES J27, NODE 6

SH 12, REFDES F6A-1, NODE 2

SH 16, REFDES S89, NODE 1

YEL2422-5

SH 10, REFDES F4A-6, NODE 2

S33

RED2100-4

SH 16, REFDES S89, NODE 1

RED2100-9

SH 16, REFDES S26, NODE 1

WHT1500-72

S4-6

S112

-73

SH 16, REFDES S46-4, NODE 1WHT1500-376

S46

S45-1

WHT1500

SEE

SH 47

GRN2990-6

GRN2990-5

S21-10

WHT1500-74

T5-10

WHT1500-379

S41-15

1

MAIN

WHT1500-75

GROUND

SH 14, REFDES S112-1, NODE 1

GRN2990-6

SH 40, REFDES J15-3, NODE 12

GRN2990-5

HEADLAMPS

Peterbilt 389 Schematic (24)

Schematic - 379 Model Family Electrical

P94-6023

C

18

SH 52, REFDES S524-2, NODE 1

SH 56, REFDES S521-4, NODE 1

BACK-UP

LIGHT

SWITCH

P533 A

B

YEL2960

ORN1229-1

LEFT HAND

TAIL LIGHT

S521

YEL2960-1

A

A

YEL2960

YEL2422-16

B

B

YEL2422-14

YEL2332-4

C

C

YEL2332-2

WHT2400-12

E

E

WHT2400-11

YEL2322-5

D

D

YEL2322-3

P535-1

P532-1

RIGHT HAND

TAIL LIGHT

BACK-UP LIGHT

A

YEL2960-1

TAIL / SIDE MARKER LIGHT

B

YEL2422-16

LEFT REAR TURN SIGNAL

C

YEL2332-4

GROUND

E

WHT2400-12

RIGHT REAR TURN SIGNAL

D

YEL2322-5

P537-1

FIREWALL

ORN1229-14

ORN1229-21

S524

P521-4

J2-1

WHT2400-10

F2

F2

WHT2400-9

ORN1229-2

G2

G2

ORN1229-3

YEL2422-14

A1

A1

YEL2422-15

YEL2332-2

F1

F1

YEL2332-5

YEL2322-3

B1

B1

YEL2322-6

CHASSIS

CAB

FIREWALL

FIREWALL

CONNECTOR

CONNECTOR

MATING CONNECTOR: SEE ENGINE FIREWALL BULKHEAD MATING CONNECTOR P103 ( PIN 21 ) FOR ALL ENGINES

( SEE SH 75-85 )

J50-1

1

CAB

SWITCHED

FIREWALL

POWER

BULKHEAD

CONNECTOR

ORN3100-8

S21-5

WHT1500-20

S11

ORN1229

T5-11

S41-16

1

MAIN

WHT1500-21

GROUND

SH 11, REFDES F2A-4, NODE 2

SH 16, REFDES J2-3, NODE A1

J11-6

MFTS

YEL2332-5

9

MODULE

21 WAY

J12-5

YEL2322-6

12

MFTS

MODULE

12 WAY

NOTE:

MULTI-FUNCTION TURN STALK ( MFTS )

BACK-UP LIGHT SWITCH

Peterbilt 389 Schematic (25)

Schematic - 379 Model Family Electrical

P94-6023

C

20

P611-1

9

BRN2624-0

3

GRA2944-15

LOAD LAMP

10

GRA2944-1

DUAL SWITCH

SWITCH 2

7

WHT0710-0

SPST

8

WHT0710-1

2B

RED0710-0

P612-1

9

BRN2624-2

3

GRA2945-5

LOAD LAMP

10

GRA2945-6

SWITCH 3

7

WHT0710-4

8

WHT0710-2

2B

RED0710-10

OPTIONAL

S610

S612-1

S613

SH 19, REFDES S59, NODE 1

SH 19, REFDES P92-1, NODE 7

SH19, REFDES S58, NODE 1

SH 19, REFDES S58, NODE 1

J611

BRN2624-1

1

BACKLIGHT

SPLICE BLOCK

J612

GRA2944-15

A

SLEEPER

GRA2945-5

B

LOAD

LAMPS

J613

WHT0710-3

1

DUAL LOAD

RED0710-11

2

LAMP SWITCH

P50-1

J291

YEL2941-17

D

D

GRA2941-0

H

H

G

G

A

A

B

B

C

C

GRA6611-11

E

E

GRA6611-13

F

F

CAB

ROOF

SLEEPER

SLEEPER

INTERFACE

CONNECT

J30

J294

YEL2941-19

A

A

GRA2944-2

YEL2941-20

B

B

GRA2945-1

CAB

SLEEPER

SLEEPER

LOAD LAMPS

LOAD LAMPS

P309-1

J388

GRA2941-0

D

D

GRA2941-2

GRA2944-2

N

N

GRA2944-0

GRA2945-1

P

P

GRA2945-0

B

B

GRA6611-13 E E

ROOF

SLEEPER

SLEEPER

ROOF

DISCONNECT

DISCONNECT

S387

WHT1130-28

YEL2945-1

B

A

P404

LOAD LIGHT

COILED

WHT1130-16

YEL2941-1

B

A

P386

LH LOAD LIGHT FLUSH

WHT1130-16

WHT1130-8

SH 26, REFDES P392, NODE 2

WHT1130-33

SH 26, REFDES S384, NODE 1

WHT1130-32

SH 26, REFDES S388, NODE 1

P381

GRA2941-2

M

LOADLIGHT 1 SIGNAL

MATING CONNECTOR: J342

GRA2944-0

S

LOADLIGHT 3 SIGNAL

SLEEPER

GRA2945-0

L

LOADLIGHT 2

SIGNAL

LOAD

J

CENTER

SEE

YEL2945-1

P

LOADLIGHT 3

SHEET 44

YEL2941-23

N

LOADLIGHT 1

YEL2944-1

A

LOADLIGHT 2

SLEEPER

LOAD CENTER

DISCONNECT

WHT1130-34

SH 27, REFDES S387-1, NODE 1

S393

S386

YEL2941-24

WHT1130-29

YEL2944-2

WHT1130-17

YEL2944-3

WHT1130-30

A

B

P387

A

B

P403

A

B

P398

RH LOAD

RH LOAD

LH LOAD

LIGHT FLUSH

LAMP BRKT

LAMP BRKT

SH 26, REFDES S384 , NODE 1

SH 26, REFDES S384, NODE 1

SLEEPER AD / LOADLIGHTS - 48" / 63" HIGH ROOF

Peterbilt 389 Schematic (26)

Schematic - 379 Model Family Electrical

P94-6023

C

22

SH 32, REFDES S571, NODE 1

TRIM PANEL

DOOR LOCK ACTUATOR

SH 32, REFDES S572, NODE 1

PIN A( - ) / PIN B( + )

RETRACT

LOCK

LOCK

UNLOCK

PIN A( + ) / PIN B( - )

EXTEND

UNLOCK

WHT6910-12

BRN2622-94

LOCK

UNLOCK

POSITION 1

POSITION 0

POSITION 2

POSITION 1

POSITION 0

POSITION 2

LH DOOR

RH DOOR

LOCK

LOCK

1 3 2 4 6 5 1 3 2 4 6 5 1 3 2 4 6 5

M

M

1 3 2 4 6 5 1 3 2 4 6 5 1 3 2 4 6 5

P581

LH DOOR

A

B

P586

P573

A

B

P571

RH DOOR

1

4

2

6

5

3

LOCK

1

4

2

6

5

3

LOCK

SWITCH

SWITCH

BRN2622-12

WHT6910-4

GRA6710-10

BLK6730-10

RED6700-1

RED6700-2

GRA6731-2

GRA6711-2

YEL6712-5

YEL6732-5

BRN2622-9

WHT6910-12

GRA6732-8

GRA6712-8

BLK6730-7

GRA6710-7

REMOTE

S584

KEYLESS

S572-2

ENTRY

P43

J43

S75

D

D

P589

J18

GRA6732-5

YEL6732-2

C

C

S77

GRA6710-10

A

A

GRA6710-1

GRA6712-1

YEL6712-15

GRA6711-1

E

E

GRA6711-4

BLK6730-10

B

B

BLK6730-1

YEL6712-3

F

F

YEL6712-16

GRA6711-2

C

C

GRA6711-1

GRA6731-1

H

H

GRA6731-4

GRA6731-2

D

D

GRA6731-1

YEL6732-3

G

G

YEL6732-17

SH 31, REFDES S583, NODE 1

LH

RED6700-3

A

A

DOOR LOCK

CAB HARNESS

WHT6750-8

ACTUATOR

( DOOR LOCKS )

RED6750-0

B

B

SH 31, REFDES S582, NODE 1

P588-2

J17-2

S583-2

SH 31, REFDES S583, NODE 1

BRN2622-92

BRN2622-91

B

B

BRN2622-88

S585

RED6700-4

A

A

RED6700-5

RED6700-5

SH 10, REFDES F5A-6, NODE 2

LH DOOR

CAB HARNESS

SH 10, REFDES F6A-6, NODE 2

HARNESS

RED6750-0

P577

J35

S4-16

GRA6710-7

1

1

GRA6710-1

BLK6730-7

2

2

BLK6730-1

-39

GRA6712-8

4

4

GRA6712-1

WHT1500

GRA6732-8

3

3

GRA6732-5

5

5

RH

CAB HARNESS

DOOR LOCK

( DOOR LOCKS )

S21-19

ACTUATOR

S15-2

BRN2622-90

SH 39, REFDES S25, NODE 1

BRN2622-90

P576-2

J16-2

-40

WHT1500

BRN2622-93

A

A

BRN2622-89

S14

C

C

SH 26, REFDES P50-2, NODE G

YEL6732-5

YEL6732-1

S18

YEL6732-4

YEL6712-5

D

D

YEL6712-1

YEL6712-4

SH 26, REFDES P50-2, NODE H

RH DOOR

HARNESS

CAB HARNESS

S41-29

WHT1500-41

CAB DOOR LOCKS

1

T5-26

MAIN

GROUND

Peterbilt 389 Schematic (27)

Schematic - 379 Model Family Electrical

P94-6023

C

23

J702

30

4

87

5

RELAY 1

87a

2

1

86

85

3

30

9

87

10

RELAY 2

87a

7

6

86

85

8

30

14

87

15

RELAY 3

87a

12

11

86

85

13

30

19

87

20

RELAY 4

87a

17

16

86

85

18

30

24

87

25

RELAY 5

87a

22

21

86

85

23

J704

C

E

NOTE:

G

MATES TO CONNECTOR

D

P43, SH 22, WHEN

REMOTE KEYLESS ENTRY

B

OPTION IS ORDERED.

A

F

H

MAIN

CAB

HARNESS

RED6750-5

GRA6752-2

RED6750-7

YEL6732

GRA6732-3

RED6750-6

WHT6750-3

S703

GRA6752-3

WHT6750-6

WHT6750-2

RED6750-4

GRA6753-2

RED6750-2

PRP6751

YEL6712

GRA6710-12

RED6750-3

WHT6750-4

GRA6753-3

PRP6751

WHT6750-7

RED6750-9

GRA6752-1

GRA2422-2

S702

RED6750-10

GRA2422

S704

WHT6750-1

YEL6732

S705

GRA6753-1

S701

GRA6732-1

RED6750-1

GRA6732-6

GRA6711-3

YEL6712

RED6750-8

GRA2422

WHT6750-5

GRA6710-12

GRA6711-3

P703

1

RKE PROGRAM

( GROUND )

USED TO PROGRAM

J703

NEW REMOTES

1

RKE PROGRAM

P701

C

L

P

R

M

K

H

J RKE

MODULE

G

N

F

B

E

A

D

S

J701

J10

S26-2

A

A

GRA2422-2

GRA2422-1

B

B

RKE

CAB

GRA2422-6

SH 16, REFDES S26, NODE 1

MARKER

RKE

LIGHTS

INPUT

REMOTE KEYLESS ENTRY RELAY-OPTIONAL

Peterbilt 389 Schematic (28)

Schematic - 379 Model Family Electrical

CTR DOME

LAMP

P295

B

A C

SH 34, REFDES S291-3, NODE 1 WHT2600-28

WHT2600-24

RED2611-6

SH 34 , REFDES P298, NODE 3

S298

WHT2600-29

SH 19 , REFDES S300, NODE 1

WHT2600-32

WHT2600-31

LH DOOR

LAMP

GROUND

B

WHT2600-21

S301

DOME LIGHT

C

RED2611-2

S299

DOOR LIGHT SW

A

YEL2640-2

P294

LH DOOR

JAMB

SWITCH

ANTI-THEFT DOOR SW

3

DOME LIGHT

1

DOOR LIGHT SW

2

P293

RH DOOR

LAMP

P300

DOOR LIGHT SW

A

DOME LIGHT

C

GROUND

B

RH DOOR

JAMB

SWITCH

ANTI-THEFT DOOR SW

3

DOME LIGHT

1

DOOR LIGHT SW

2

S294

-11

GRA6611-4

RED2611

RED2611-1

YEL2640-1

S290

S291

S293

YEL2640-4

RED2611-10

WHT2600-22

GRA6611-2

RED2611-17

YEL2640-3

P299

SH 31, REFDES S582, NODE 1

ROOF

ALARM

1 P302

GRA6611-3

SLEEPER INTERFACE

P50-3

E

ANTI-THEFT

SH 43, REFDES J298-5, NODE 7

DOOR SWITCH

SH 19, REFDES J298-2, NODE 7

-24

GRA6611

SH 26, REFDES J298-6 , NODE 7

ROOF DASH CONNECT

CAB ROOF HARNESS

GRA6611-15

GRA6611-12

GRA6611-1

7

7

GRA6611-24

GRA6611-23

S41-6

WHT2600-20

3

3

WHT2600-18

WHT1500-42

RED2611-9

1

1

RED2611

YEL2640-12

5

5

YEL2619-0

J298-3

P92-2

DOOR PANEL

LH DOOR

CAB

HARNESS

HARNESS

S16

YEL2640-6

C

C

YEL2640-9

P588

J17

RH DOOR

CAB

HARNESS

HARNESS

YEL2640-6

WHT6910-3

YEL2640-10

YEL2640-10

B

B

YEL2640-13

WHT6910-15

SH 32, REFDES S571, NODE 1

P576

J16

P585 2

1 LH DOOR

P575 2 1

RH DOOR

LAMP

LAMP

P94-6023

C

24

T5-17

1

MAIN

WHT1500-42

GROUND

RED2611

SH 10, REFDES F6A-3, NODE 2

YEL2619-0

SH 25, REFDES S115, NODE 1

YEL2640-11

SH 46, REFDES J27, NODE 2

YEL2640

SH 10, REFDES F5A-5 , NODE 2

CAB DOME LIGHT / DOOR LAMPS / DOOR JAMB / ALARM

Peterbilt 389 Schematic (29)

Schematic - 379 Model Family Electrical

P94-6023

C

25

P611

P32

S611

F

F

FOOTLIGHT

A

WHT6950-0

WHT6950-1

A

A

WHT6950-5

B

S612

B

B

YEL2619-5

YEL2619-3

YEL2619-1

C

C

RED6950-2

RED6952

P612

E

E

RED6950-1

RED6950

BRN2622-30

D

D

BRN2622-32

FOOTLIGHT

A

WHT6950-2

FOOTLIGHT /

CAB FOOTLIGHT /

B

YEL2619-4

POWERPOINT

POWERPOINT

HARNESS

CONNECTOR

P613

A

RED6950-2

POWER

B

POINT

C

WHT6950-3

P614

A

RED6950-1

CIGAR

B

BRN2622-30

LIGHTER

C

WHT6950-4

P615

CAB FOOTLIGHTS / CIGAR LIGHTER / POWER POINT / B-PANEL POWER POINT

YEL2619-2

S115

YEL2619-0

S56-2

BRN2622-163

BRN2622-164

BRN2622-110

POWER

POINT

( B-PANEL )

P4

B A

C

RED6951

WHT6951-3

RED6951

SH 10, REFDES F1A-3, NODE 2

SH 10, REFDES F5A-5, NODE 1

S6-2

SH 24, REFDES P92-2, NODE 5

SH 10, REFDES F3A-3, NODE 2

SH 10, REFDES F5A-3, NODE 2

SH 51, REFDES S45-7, NODE 1

-45

SH 47, REFDES S56, NODE 1

WHT1500

SH 46, REFDES S86, NODE 1

S4-11

WHT1500-44

S21-14

WHT6951-3

WHT1500-43

S41-22

WHT1500-48

1

T5-18

MAIN

GROUND

Peterbilt 389 Schematic (30)

Schematic - 379 Model Family Electrical

P94-6023

C

26

P297

SH 20, REFDES S387, NODE 1

WHT1130-8

SH 27, REFDES P397, NODE 2

WHT1130-2

SH 20, REFDES S387, NODE 1

WHT1130-33

SH 20, REFDES P386, NODE B

WHT1130-16

SH 20, REFDES P398, NODE B

WHT1130-30

SH 20, REFDES S387, NODE 1

WHT1130-32

SH 35, REFDES S105-2, NODE 1

SH 12, REFDES F2A-1, NODE 2

SH 24, REFDES J298-3, NODE 7

ROOF

CAB

DASH

ROOF

CONNECT

HARNESS

P50-2

J291-2

GRA6611-15

7

7

GRA6611-6

E

E

GRA6611-10

J298-6

ORN6100-12

B

B

ORN6100-11

P92-6

H

H

GRA6732-9

YEL6712-4

ORN6100-26

G

G

S105-7

GRA6712-9

ORN6100-25

-4

CAB

ROOF

YEL6732

SLEEPER

SLEEPER

SH 22, REFDES S18, NODE 1

INTERFACE CONNECT

SH 22, REFDES S14, NODE 1

FLOURSCENT

LAMP

B

A

BLK2614-1

YEL2614-1

LH BAGGAGE

COMPARTMENT

LIGHT

P393

1

2

YEL2640-23

WHT1130-7

P401

2

WHT1130-22

1

RED2613

READING

LIGHT

P400

2

WHT1130-1

1

RED2613-0

READING

LIGHT

J387

B

GRA6712-10

A

GRA6732-10

SLEEPER DOOR

LOCK

P309-2

J388-2

GRA6611-10

E

E

ORN6100-11

B

B

ORN6100-13

GRA6732-9

H

H

GRA6732-10

GRA6712-9

G

G

GRA6712-10

YEL2614-1

S

S

YEL2614-0

BLK2614-1

R

R

BLK2614-0

ROOF

SLEEPER

SLEEPER

DISCONNECT

ROOF

DISCONNECT

RH BAGGAGE

COMPARTMENT

LIGHT

1

2

P392

YEL2640-18

WHT1130-8

WHT1130-7

P396

P384

WHT1130-2

S384

WHT1130-11

RED2613-1

YEL2640-14

2

1

3

LH DOOR

JAMB

SWITCH

RH GENERAL

ILLUMINATION LIGHTS

MAIN SLEEPER

GROUND

-WHT113015

T386

1

1

-RED26134

P385

1

-RED26135

24-WHT1130

WHT1130-9

2

3

2

3

P388

1

RED2613-6

2

LH GENERAL

ILLUMINATION

WHT1130-14

3

LIGHTS

P389 WHT1130-31 1

RED2613-7 2

WHT1130-13 3

S392

S382

P390

RED2613-8

3

DOME

LIGHT

-14

S391

WHT1130-12

2

RED2613

WHT2613-2

1

P391

OVERHEAD

WHT2613-0

A

LIGHT

RED2613-11

B

S388

WHT1130-11

C

S389

S395

T381

WHT2613-1

1

LAMP SWITCH

GROUND

S394

T382

YEL2640-16

WHT1130-10

1

BACKLIGHT

GROUND

T383

ORN6120-1

1

SWITCH

BACKLIGHT

YEL2640-18

T384

YEL2614-0

1

DASH SWITCH

CONTROL

RED2613-3

YEL2640-15

T385

BLK2614-0

1

DASH SWITCH

CONTROL

2

1

3

P395

RH DOOR

JAMB

SWITCH

P381-2

RED2613-15

E

LIGHTING BATTERY POWER

SLEEPER

ORN6100-13

J

ACC RELAY CONTROL

LOAD

CENTER

ORN6120-1

B

SWITCHED POWER

SEE SHEET 44

SLEEPER

LOAD CENTER

DISCONNECT

OVERHEAD

LIGHT

SWITCH

48" / 63" HIGH ROOF SLEEPER LIGHTS / DOOR LOCK / DOOR JAMB

Peterbilt 389 Schematic (31)

Schematic - 379 Model Family Electrical

P94-6023

C

27

P381-3

MATING CONNECTOR: J342

SLEEPER

BATTERY POWER

D

RED6954-0

LOAD

F

RED6420-0

CENTER

BATTERY POWER

SEE

BATTERY POWER

H

RED6953-0

G

RED6930-0

SHEET 44

BATTERY POWER

SLEEPER

LOAD

CENTER

DISCONNECT

WHT1130-2

SH 26, REFDES S384, NODE 1

S388-1

WHT1130-21

S387-1

WHT1130-34

SH 20, REFDES S387, NODE 1

RED6930-0

RED6953-0

WHT1130-0

RED6420-0

WHT1130-2

RED6954-0

WHT1130-4

WHT1130-5

J386

1

J385

1

P399

2

1

P397

2

1

P405

1

P394

1

ACC JACK

ACC JACK

ACC PWR / GND

AUX PWR / GND

ACC JACK

ACC JACK

# 4

# 1

# 3

# 2

# 4 GND

# 1 GND

48" / 63" HIGH ROOF SLEEPER POWER ACCESS OUTLETS

Peterbilt 389 Schematic (32)

Schematic - 379 Model Family Electrical

P94-6023

C

28

P381-5

R

YEL7260-9

C

RED7300-14

N

YEL2941-29

P

YEL2945-3

LOAD

B

ORN6120-5

CENTER

E

DISCONNECT

RED2613-27

A

YEL2944-9

F

RED6420-6

D

RED6954-3

H

RED6953-7

G

J

ORN6100-20

L

GRA2945-3

K

GRA7260-7

M

GRA2941-4

S

GRA2944-4

J388-5

N

GRA2944-4

D

GRA2941-4

C

GRA7260-7

P

GRA2945-3

ROOF

B

ORN6100-20

HARNESS

DISCONNECT

F

S

YEL2614-3

R

BLK2614-3

A

GRA7131-7

E

H

GRA6732-2

G

GRA6712-2

J387-5

SLEEPER

B

GRA6712-2

DOOR

LOCK

A

GRA6732-2

J385-5

ACC JACK

1

RED6953-7

# 1

HEATER-A / C

HEATER-A / C

HEATER-A / C

HEATER-A / C

HEATER-A / C UNIT

READING

LH LOAD

RH LOAD

LOAD LIGHT

CONTROL

UNIT BLOWER

CONTROL

UNIT TEMP

BLOWER MOTOR

FAN SPEED

RESISTOR

ON / OFF

ACTUATOR

LIGHT

LIGHT FLUSH

LIGHT FLUSH

COILED

P382-2 2

3

6

5

1 4

J383-2 1

J381-2 E

D

F

C

B

A

P383-2 1

2

P406-2 1

2

P386-2 A

B P387-2

B P404-2

2

3

4

J382-2 7

8

10

A

A

B

GRA7213-8

GRA7310-2

GRA7212-2

GRA7211-2

YEL7260-7

GRA7211-2

GRA7212-2

GRA7310-2

GRA7213-7

YEL7260-8

RED7300-13

GRA7131-7

RED7222-1

BLU7222-2

BLK7222-1

BLK7222-1

BLU7222-2

RED7222-1

GRA7213-9

RED7300-15

RED2613-22

WHT1130-85

YEL2941-30

WHT1130-76

YEL2941-31

WHT1130-87

YEL2945-3

WHT1130-86

S385-2

S381-2

S389-2

Peterbilt 389 Schematic (33) RED2613-23

S390-2

S386-2

S392-2

S393-2

S382-2

WHT1130-75

RED2613-28

WHT1130-72

S387-3

WHT2613-4

WHT1130-82

S391-2

WHT2613-5

RED2613-26

WHT1130-81

P390-2

3

2DOME LIGHT

1

P391-2

A

BOVERHEAD LIGHT

C

T381-2

WHT2613-6

1

LAMP SWITCH

GROUND

T382-2

BACKLIGHT

WHT1130-73

1

GROUND

RED6954-3

WHT1130-77

WHT1130-83

RED6420-6

P397-2 1

2

P399-2 2

1 P398-2

AUX PWR / GND ACC PWR / GND

# 2

# 3

WHT1130-71

YEL2944-8

B A

LH LOAD LAMP BRKT

WHT1130-82

WHT1130-81

WHT1130-75

S384-2

WHT1130-76

WHT1130-80

WHT1130-79

S394-2

YEL2640-26

S395-2

WHT1130-84

YEL2944-10

RED2613-31

YEL2640-24

YEL2640-27

RED2613-25

P396-2 2

1 3

P395-2 2 1

3

P403-2 B

A

RH LOAD

LH DOOR

RH DOOR

LAMP BRKT

JAMB

JAMB

SWITCH

SWITCH

ORN6120-5

YEL2614-3

BLK2614-3

WHT1130-74

WHT1130-88

YEL2640-25

WHT1130-80

WHT1130-89

YEL2640-28

WHT1130-79

RED2613-32

P394-2

1

P393-2 1

2

P392-2 2

1

P401-2 2 1

LH BAGGAGE

RH BAGGAGE

READING

ACC JACK

COMPARTMENT COMPARTMENT

LIGHT

# 1 GND

LIGHT

LIGHT

T383-2

1BACKLIGHT POWER

T384-2

1DASH SWITCH CONTROL

T385-2

1DASH SWITCH CONTROL

T386-2

MAIN SLEEPER 1 GROUND

OVERHEAD

LIGHT

SWITCH

48" / 63" LOW ROOF SLEEPER

Peterbilt 389 Schematic (34)

Schematic - 379 Model Family Electrical

P94-6023

C

29

HEATER-A / C

HEATER-A / C

HEATER-A / C

HEATER-A / C

CONTROL

UNIT BLOWER

UNIT TEMP

HEATER-A / C UNIT

LIGHT STORE

RH GENERAL

LH LOAD

RH LOAD

LOAD LIGHT

CONTROL

FAN SPEED

RESISTOR

ACTUATOR

BLOWER MOTOR

COMPARTMENT

ILLUMINATION LIGHTS

LIGHT 1

LIGHT 1

3

ON / OFF

P382-1

2

3

6

5

1

4

J383-1

1

2

3

4

J381-1

E

D

F

C

B

A

J382-1

7

8

10

P383-1

1

2

P410

1

3

2

P385-1

2

1

P386-1

A

B

P387-1

A

B

P404-1

A

B

GRA7213-0

GRA7310-0

GRA7212-0

GRA7211-0

YEL7260-4

GRA7211-0

GRA7212-0

GRA7310-0

GRA7213-6

YEL7260-6

RED7300-10

GRA7131-10

RED7222-0

BLU7222-0

BLK7222-0

BLK7222-0

BLU7222-0

RED7222-0

GRA7213-5

RED7300-12

WHT1130-57

YEL2640-32

RED2613-9

WHT1130-63

YEL2941-26

WHT1130-60

YEL2941-28

WHT1130-48

YEL2945-2

WHT1130-56

P408

ORN6120-4

1

CIGAR

LIGHTER

BACKLIGHT

S385-1

P381-4

S381-1

P406

R

YEL7260-5

S389-1

3

SWITCH BAG

S390-1

C

RED7300-11

RED2613-10

1

COMPARTMENT

S386-1

YEL2640-30

2

LIGHT BUNK

N

YEL2941-25

RED2613-17

P

YEL2945-2

S396-1

B

P388-1

S392-1

E

2

RED2613-19

S393-1

RED2613-18

LOAD

A

YEL2944-5

WHT1130-40

1

CENTER

S383-1

DISCONNECT

F

RED6420-4

LH GENERAL

D

RED6954-2

ILLUMINATION

P389-1

LIGHTS

H

RED6953-6

RED2613-13

2

G

RED6930

S384-1

WHT1130-41

1

J

ORN6100-19

-47

L

GRAY2945-0

WHT1130

P390-1

K

GRAY7260-0

S387-2

RED2613-21

1

LIGHT OVHD

M

GRAY2941-0

WHT1130-64

2

GEN ILLUM

S

GRAY2944-0

J388-4

P391-1

N

GRAY2944-0

WHT2613-3

A

LIGHT OVHD

D

GRAY2941-0

RED2613-16

B

FLUORESCENT

-58

C

GRAY7260-0

C

WHT1130-65

WHT1130

P

GRAY2945-0

J391

ROOF

B

ORN6100-19

HARNESS

F

RED6953-9

2B

7

9

DISCONNECT

3

B

S

YEL2614-2

ORN6120-7

9

2B

J391 REF / FAN

R

BLK2614-2

RED6953-4

10

1

A

SWITCH

6

A

GRA7131-10

WHT1130-45

8

5B

S382-1

E

WHT1130-67

7

4

RED6953-4

H

GRA6732-13

RED6953-5

3

8

10

G

GRA6712-13

J389

J387-1

S388-2

WHT2613-3

2B

7

9

WHT1130-68

7

3

B

SLEEPER

B

GRA6712-13

SWITCH OVHD

2B

DOOR

ORN6120-6

9

FLUORESCENT

A

LOCK

A

GRA6732-13

S395-1

LIGHT

1

YEL2640-33

YEL2614-2

1

6

5B

J386-1

BLK2614-2

3

4

12V

1

WHT1130-106

10

8

10

OUTLET TV

RED6930

S394-1

CIGAR

J385-1

S397

P409

LIGHTER

1

RED6953-2

PWR

RED6953-5

B

REF / FAN

WHT1130-42

A

RED6954-2

WHT1130-69

WHT1130-55

RED6420-7

WHT1130-62

YEL2944-6

WHT1130-54

RED6420-5

WHT1130-53

YEL2944-7

RED2613-20

YEL2640-34

YEL2640-36

RED2613-12

WHT1130-52

WHT1130-66

YEL2640-35

WHT1130-59

WHT1130-49

YEL2640-31

RED6953-3

WHT1130-70

T386-4

WHT1130-61

1

MAIN SLEEPER

P397-1

1

2

P407

1

J390

1

P398-1

B

A

P402-1

2

1

P403-1

B

A

P396-1

2

1

3

P395-1

2 1 3

P405-1

1

P394-1

1

P393-1

1

2

P392-1

2

1

J392

4

1

2

3

GROUND

AUX PWR / GND

SWITCH BAG

SWITCH BAG

TV

CIGAR

LH BAGGAGE

RH BAGGAGE

DIGITAL

VCR

12V OUTLET

LH LOAD

BUNK

RH LOAD

COMPARTMENT

COMPARTMENT

GRD

LIGHTER

COMPARTMENT

COMPARTMENT

CLOCK

# 2

GN

VCR

LAMP 2

END

LAMP 2

LIGHT DOOR

LIGHT DOOR

GROUND

LIGHT

LIGHT

TRAY

JAMB LH

JAMB RH

70" SLEEPER

Peterbilt 389 Schematic (2024)
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