Page 566 of 1938

CIRCUIT INFORMATION
Each wire shown in the diagrams contains a code
which identifies the main circuit, part of the main
circuit, gage of wire, and color (Fig. 1).
CIRCUIT FUNCTIONS
All circuits in the diagrams use an alpha/numeric
code to identify the wire and its function. To identify
which circuit code applies to a system, refer to the
Circuit Identification Code Chart. This chart shows
the main circuits only and does not show the second-
ary codes that may apply to some models.
Fig. 1 Wire Code Identification
COLOR CODE COLORSTANDARD
TRACER
COLOR
BL BLUE WT
BK BLACK WT
BR BROWN WT
DB DARK BLUE WT
DG DARK GREEN WT
GY GRAY BK
LB LIGHT BLUE BK
LG LIGHT GREEN BK
OR ORANGE BK
PK PINK BK or WT
RD RED WT
TN TAN WT
VT VIOLET WT
WT WHITE BK
YL YELLOW BK
* WITH TRACER
CIRCUIT FUNCTION
A BATTERY FEED
B BRAKE CONTROLS
C CLIMATE CONTROLS
D DIAGNOSTIC CIRCUITS
E DIMMING ILLUMINATION CIRCUITS
F FUSED CIRCUITS
G MONITORING CIRCUITS (GAUGES)
H OPEN
I NOT USED
J OPEN
K POWERTRAIN CONTROL MODULE
L EXTERIOR LIGHTING
M INTERIOR LIGHTING
N NOT USED
O NOT USED
P POWER OPTION (BATTERY FEED)
Q POWER OPTIONS (IGNITION FEED)
R PASSIVE RESTRAINT
S SUSPENSION/STEERING
T TRANSMISSION/TRANSAXLE/
TRANSFER CASE
U OPEN
V SPEED CONTROL, WIPER/WASHER
W OPEN
X AUDIO SYSTEMS
Y OPEN
Z GROUNDS
8W - 01 - 4 8W-01 GENERAL INFORMATIONNS/GS
DESCRIPTION AND OPERATION (Continued)
Page 881 of 1938

FUNCTION
-
-
-CIRCUIT
-
-
-M2 SPEED BLOWER MOTOR
M3 SPEED BLOWER MOTOR
M1 SPEED BLOWER MOTOR
GROUND
LOW SPEED BLOWER MOTOR
HIGH SPEED BLOWER MOTOR
HIGH SPEED BLOWER MOTORCAV
1
2
3
4
5
6
7
8
9
10C6 14LB
C104 12RD/WT
C5 16LG
Z1 12BK
C4 16TN
C107 12TN/BK
C7 12BK/TNBLACK
1
6 5
10
A/C HEATER
CONTROL -C2
CLUTCH COMPRESSORA/C
1BLACK2
Z1 18BK C3 18DB/BK
2 1 CAV GROUND A/C COMPRESSOR CLUTCH RELAY OUTPUT CIRCUIT
FUNCTION
* BUILT-UP-EXPORT
PANEL LAMPS FEED E2 20OR*
CONTROL - C1A/C HEATERC61 22DB DUAL ZONE A/C ACTUATOR (+/-)COMMON DOOR DRIVER C34 20DB/WT
21 10
111 BLUE
Z2 18BK/LG C57 22DB/GY C32 22GY/DB C35 22DG/YL
C33 22DB/RD D2 20WT/BK C62 22DB/PK D1 20VT/BR C61 20DB C34 22DB/WT E2 20OR V23 18BR/PK C26 22PK/DB
C21 22DB/OR C66 18BK/WT C37 22YL
C36 22RD/WT C102 22LG C103 20DG/LB
V26 22YL/WT C14 22WT/RD
21 20 19
18 17 16 15 14 13 12 11 10 9 8 7
6 5 4
3 2 1 CAV GROUND
SENSOR GROUND RECIRCULATION DOOR DRIVER MODE DOOR DRIVER
BLEND DOOR DRIVER CCD(-) DUAL ZONE A/C ACTUATOR (+/-) CCD(+) DUAL ZONE A/C ACTUATOR (+/-) COMMON DOOR DRIVER PANEL LAMPS FEED FUSED IGNITION (ST-RUN) 5 VOLT SUPPLY
A/C SWITCH SENSE WIPER DE-ICE SWITCHED GROUND MODE DOOR FEEDBACK SIGNAL
BLEND DOOR FEEDBACK SIGNAL ZONE DOOR FEEDBACK SIGNAL A/C SWITCH SIGNAL
REAR WIPER SWITCH MUX REAR DEFOGGER RELAY CONTROL CIRCUIT
FUNCTION
NS/GS8W-80 CONNECTOR PIN-OUTS 8W - 80 - 5
NSGS8005J988W-3
Page 889 of 1938

6 1
10 5
105
61
GRAY LIGHT
K141 18TN/WT Z11 18BK/WT V37 18RD/LG
K29 18WT/PK V30 18DB/RD G3 18BK/PK V32 18YL/RD A142 18DG/OR
C103 18DG/LB
109
8 7 6
5 4 3
2 1 CAV
- CIRCUIT
K141 20TN/WT Z11 20BK/WT V37 20RD/LG K29 20WT/PK
V30 20DB/RD G3 20BK/PK V32 20YL/RD A142 18DG/OR C103 20DG/LB
109 8
7 6 5
4 3 2
1 CAV
- CIRCUIT
B70
E43
C20 B75
BLUEBLUE
Z2 18BK/LG
G31 20VT/LG
V23 18BR/PK
Z1 20BK
L1 20VT/BK
G74 18TN/RD
F133 20BR/YL
F136 20VT/YL
E2 18OR
L24 20WT/LG**
P112 20YL/WT**
P114 20YL/BK**
12
14
15
16
17 13
19
20 1812
14
15
16
17 13
19
20 18Z1 20BK
L1 20VT/BK
G74 18TN/RD
F133 20BR/YL
F136 20VT/YL
E2 20OR
P114 20YL/BK** P112 20YL/WT**
L24 20WT/LG**7
9
10
118
G32 20BK/LB
7
9
10
118
G32 20BK/LB
Z2 18BK/LG
G31 20VT/LG
V23 18BR/PK
1
11 10
20
1110
20 1
D1 18VT/BR D2 18WT/BK
M113 20LB/PK M13 20BK/YL F41 20PK/VT
M20 20BR
6 5 4 3
2 1 CAV
CIRCUIT
D1 18VT/BR D2 18WT/BK M113 20LB/PK
M13 20BK/YL F41 20PK/VT M20 20BR
6 5
4 3 2
1 CAV
CIRCUIT
G10 18LG/RD*
G75 18TN* 14G10 18LG/RD*
* RHD
** EXCEPT BUILT-UP-EXPORT
LIGHT
GRAY
NS/GS8W-80 CONNECTOR PIN-OUTS 8W - 80 - 13
NSGS8013J988W-3
Page 900 of 1938
* BUILT-UP-EXPORT
MIRROR - C2 DRIVER POWERMIRROR - C1 DRIVER POWERDRIVER POWER MIRROR FOLD P160 20LB*DRIVER POWER MIRROR UNFOLD P159 20DG* 4
6 5P114 20YL/BK**
POWER MIRROR B(-)
RED564
1 2 3
456
1
2 3BLUE
P65 20DB/YL P69 20WT/RD P64 20YL/OR
3 2
1 CAV DRIVER POWER MIRROR LEFT/RIGHT
DRIVER POWER MIRROR RETURN DRIVER POWER MIRROR UP/DOWN CIRCUIT
FUNCTION
Z1 20BK C16 20LB/YL P73 20YL/PK
P71 20YL P75 20DB/WT
6 5 4
3 2 1 CAV GROUND REAR DEFOGGER LAMP DRIVER DRIVER POWER MIRROR RIGHT/DOWN
DRIVER POWER MIRROR LEFT DRIVER POWER MIRROR UP CIRCUIT
FUNCTION
** EXCEPT BUILT-UP-EXPORT POWER MIRROR B(-) P112 20YL/WTFUSED IGNITION (RUN)-
DSEAT SWITCH DRIVER HEATEDC B A
F20 20WT- F20 20WT P86 20VT CAV
FUSED IGNITION (RUN) HEATED SEAT TEMPERATURE SENSOR CIRCUIT FUNCTION
Z1 18BK EGROUND
F
P7 20WT/BKDRIVER HEATED SEAT BACK
8W - 80 - 24 8W-80 CONNECTOR PIN-OUTSNS/GS
J988W-3NSGS8024
Page 907 of 1938
GROUND Z1 16BK
3
FUSED B(+) F30 16RD
POWER OUTLET FRONT CIGAR LIGHTER
21
FUSED PANEL LAMPS DIMMER SWITCH SIGNAL E2 20OR
2
1 CAV FUNCTION CIRCUIT
BLOCK FRONT BLOWER
MOTOR RESISTOR
BLACK
105
6 1
C4 16TN C107 12TN/BK C104 12RD/WT C6 14LB
C5 16LG
109 8 7 6
5 4
3 2 1 CAV LOW SPEED BLOWER MOTOR HIGH SPEED BLOWER MOTOR M3 SPEED BLOWER MOTOR M2 SPEED BLOWER MOTOR
M1 SPEED BLOWER MOTOR
- -
- - - CIRCUIT
- -
- - - FUNCTION
MOTOR FRONT BLOWER
1 2BLACKC7 12BK/TN C71 12DB
2 1 CAV HIGH SPEED BLOWER MOTOR BLOWER MOTOR DRIVER CIRCUIT
FUNCTION
RED/BLUE
3
NS/GS8W-80 CONNECTOR PIN-OUTS 8W - 80 - 31
NSGS8031J988W-3
Page 908 of 1938
FUEL PUMP RELAY OUTPUT CIRCUIT FUNCTION
CAV
A141 18DG/WT
1
2Z1 18BK GROUND
(DIESEL) FUEL HEATER
BLACK
2 1
MOTOR FRONT WASHER
BLACK
AB
V10 20BR F1 20DB
B A CAV WASHER PUMP CONTROL SWITCH OUTPUT
FUSED IGNITION (RUN-ACC)FUNCTION CIRCUIT
CIRCUIT FUNCTION
FRONT READING LAMP FEED
COURTESY LAMP GROUND
FUSED B(+)CAV
1
2
3 M13 20BK/YL
M20 20BR
F41 20PK/VT
BLACK
31
FRONT
READING LAMPS/
SWITCH
FRONT
READING LAMPS/
SWITCH
(OVERHEAD CONSOLE)
BLUE
PANEL LAMPS FEED
-
FRONT READING LAMP FEED
GROUND
FUSED (B+)
Z2 18BK/LG
F41 20PK/VT
- 5 4
3CIRCUIT
M13 20BK/YL
E2 18OR CAV
2 1 FUNCTION
COURTESY LAMP GROUND M20 20BR 6 1
36 4
8W - 80 - 32 8W-80 CONNECTOR PIN-OUTSNS/GS
J988W-3NSGS8032
Page 915 of 1938

4 1
GLOW PLUG
RELAY
(DIESEL)
FUSED B(+) CIRCUIT FUNCTION
CAV
A54 10RD
1
2K152 18WT/DG GLOW PLUG RELAY CONTROL SENSE2 3
3
4K154 10GY A142 18DG/OR AUTO SHUTDOWN RELAY OUTPUT
GLOW PLUG RELAY CONTROL
BLACK
GLOVE BOX LAMP
BLUE
2 1
M20 20BR F41 20PK/VT
2 1 CAV COURTESY LAMP GROUND FUSED B(+) FUNCTION CIRCUIT
HEADLAMP LEVELING SIGNAL L13 20BR/YL*GROUND
L44 20VT/RD* Z1 20BK*
HEADLAMP SWITCH - C1
* BUILT-UP-EXPORT NATURAL
136
7 15
E92 22OR/BK M113 20LB/PK M13 20BK/YL
M111 22BR/WT Z1 20BK E17 20YL/BK E17 20YL/BK M32 22BK/LB
M112 22BR/LG
13 12 11
10 9 8
7 6 4 3
2
1 CAV DIMMER SWITCH SIGNAL
READING LAMP FEED COURTESY LAMP RELAY OUTPUT
COURTESY LAMP RELAY CONTROL GROUND STEP DIMMER SWITCH SENSE STEP DIMMER SWITCH SENSE
COURTESY LAMP SWITCH SENSE COURTESY LAMP RELAY CONTROL
- - FUNCTION
- - CIRCUIT
3 4 21BLACK4 2
3 1BLACK
A2 12PK/BK Z1 14BK
4 3 2 1 CAV
- CIRCUIT
A2 12PK/BK Z1 14BK
4 3 2 1 CAV
CIRCUIT
HS6DS02F35 14RD
F35 14RD
(HEATED SEAT)
F35 14RD F35 14RD
S02
HS6P
CIRCUIT CAV
1
2
3
4CIRCUIT
-CAV
1
2
3
4
BLACK
1
32
4BLACK
1 2
43
-- - -- -Z1 20BK
FUSED RIGHT LOW BEAM OUTPUT
NS/GS8W-80 CONNECTOR PIN-OUTS 8W - 80 - 39
NSGS8039J988W-3
Page 934 of 1938

(LHD) MESSAGE CENTER
* DIESEL WAIT-TO START WARNING LAMP DRIVER G85 20OR/BK * 7
BLUE
7 1
136
G69 22BK/OR M1 20PK
R41 18BK/TN V23 18BR/PK G9 20GY/BK
G6 22GY G3 20BK/PK G2 22VT
G19 20LG/OR L62 18BR/RD Z1 20BK
L63 18DG/RD L34 20RD/OR
13 12 11 10 9 8 7 6 5 4
3 2 1 CAV VTSS INDICATOR LAMP DRIVER
FUSED B (+)
AIRBAG WARNING LAMP DRIVER FUSED IGNITION (ST-RUN) RED BRAKE WARNING LAMP DRIVER
ENGINE OIL PRESSURE SWITCH SENSE SERVICE ENGINE SOON INDICATOR LAMP DRIVER ENGINE TEMPERATURE WARNING LAMP DRIVER
ABS WARNING LAMP DRIVER RIGHT TURN SIGNAL GROUND
LEFT TURN SIGNAL FUSED HIGH BEAM RELAY OUTPUT CIRCUIT
FUNCTION
SWITCH MEMORY SET
BLUE564
1 2 3
P23 20PK/RD P22 20PK/BK P24 20PK/WT Z1 20BK
6 5 4 3 2
1 CAV MEMORY NO. 2 MEMORY SET MEMORY NO. 1 GROUND - - CIRCUIT
- - FUNCTION
MODULE - C3 MEMORY SEAT/MIRROR
21 10
11 NATURAL
1
P29 20BR/WT P25 22VT/RD P47 22LB P40 22GY/LB P15 22YL/LB
P11 22YL/WT P19 22YL/LG P9 20RD
P28 20BR/RD P26 22BR P27 22LB/RD P48 22GY/WT P17 22RD/LB P13 22RD/WT
P21 22RD/LG
21 20 19
18 17 16
15 14 13
12 11 10 9 8 7
6
5 4 3
2 1 CAV 6 VOLT SUPPLY SEAT HORIZONTAL POSITION SENSE SEAT RECLINER POSITION SENSE SEAT RECLINER (FORWARD) SEAT HORIZONTAL (FORWARD) SEAT REAR VERTICAL (UP) SEAT FRONT VERTICAL (UP)
FUSED B (+) SEAT POSITION SENSE COMMON SEAT FRONT VERTICAL POSITION SENSE SEAT REAR VERTICAL POSITION SENSE SEAT RECLINER (REARWARD) SEAT HORIZONTAL (REARWARD)
SEAT REAR VERTICAL (DOWN)
SEAT FRONT VERTICAL (DOWN)
- - - - - - CIRCUIT
- - - - - - - FUNCTION
8W - 80 - 58 8W-80 CONNECTOR PIN-OUTSNS/GS
J988W-3NSGS8058