RIGHT TURN
HIGH BEAM
CHECK ENGINE
-j 2 2 6 1
□
d m
{ 3 7 6 ]
1 2 0 6 5 5 4 7
TRIP SW ITCHES
00
o
-1 4 0 -.8 ORN-
39 -.8 PNK/BLK
TO PARK
BRAKE SW
TO RH
TURN
LAMP
- 3 3 . 5 TAN/W HT
r
8 2 4 -.8 LT BLU/BLK
_ r
TO TCC BRK SW
39- 8 PNK/BLK
- 3 9 .8 PNK/BLK
- 3 9 .8 PNK/BLK
A/C HEATER
CONTROL LP
PANEL/INTERIOR
LPS CONTROL SW
SHIFT INDICATOR
- — - — -1 5 0 -3 .0 BLK
----------- 1 5 0 -3 .0 BLK
----------- 1 5 0 .8 BLK
- 2 3 7 .35 YEL
-1 5-.8D K BLU
-1 4 -.8 LT BLU
-4 1 9 .5 BRN/WHT
- 2 5 .8 BRN-----
-3 9 - 8 PNK/BLK
-1 5 0 3.0 BLK
i r M
1- - n
1 3 9 |
1
1
1
1
|4 1 9 |
| 3 3 | l
| 2 3 7 |
-*Ll±J
i c m
1 I 5 1
Ifisol
1
H
1 4 0 -.8 ORN-
l/P CLUSTER
CONN
FROM FUEL
METER &
►“
PUMP
-4 1 9 -.5 BRN/WHT-
1 0 * -------
14-.8 LT B L U -
1 4 -.8 LT BLU -
11-.5 LT GRN-
15 0 .8 BLK —
TO LH
TURN LAMP
1 2 0 1 0 0 2 9
- 3 3 .5 T A N /W H T-
- 3 5 0 .8 PNK/W HT-
- 3 5 0 .8 PNK/WHT-
- 3 1 . 8 T A N -----------
-3 1 -.8 T A N -
- 8 2 4 .8 LT BLU/BLK-
-3 5 0 -.8 PNK/BLK-
- 3 5 0 .8 PNK/BLK ■
-1 5 0 .8 BLK-
11-.50 LT GRN-
* *
- I
-1
CO
00
00 00
# » <“
r* eg «-
r o
e g
oo
l/P CLUSTER
CONN
2
CC
flO
1 2 0 1 5 9 8 7
TO HI BEAM
HEADLAMP
8917693
DIM M ER SW ITCH
t :
[55«J □
□
e h
I
m 3
□
□
u n i
n n
□
□
HHI
0 *3
□
□
F *
q
1
□
□
Q
tb
J
|35p| □
□
|3S0|
m
□
□
C D
C 3
□
□
C D
p i
s
l _ l
□
s
Q D
□
□
□ E l
I~3i1 □
□
Q
l
I
| 35o|
n
□
j
35p|
□
□
□
□
GED □
a
EED
QUO n
□
Fsol
l Q
s
t e !
TRIP
. READOUT
TRIP READOUT
OIL PRESSURE
FUEL
ALTERNATOR
COOLANT TEMP
TO
GROUND
1 2 0 6 5 8 0 3
ELECTRONIC
CLUSTER
33 -.5 TA N /W H T -
35 - 5 DK GRN-
huul
ion
B A 1
m
G H D 1
IGNITION SW ITCH
- ± -
INDICATOR LAMPS (ELECTRONIC)
SECTION F-P A G E 55
Summary of Contents for ST 350 1988
Page 1: ...1988 LIGHT DUTY TRUCK WIRING DIAGRAM BOOKLET ST 350 88...
Page 2: ......
Page 18: ......
Page 20: ...V SECTION A PAGE 10...
Page 33: ......
Page 38: ...SECTION A PAGE 28...
Page 41: ......
Page 47: ...SECTION A PAGE 37...
Page 50: ......
Page 54: ......
Page 57: ...TRANSFER CASE SPEED SENSOR FOUR WHEEL DRIVE SECTION A PAGE 47...
Page 76: ......
Page 87: ...FUSE BLOCK START L B 4 V 6 L03 L05 L 1 9 V 8 SECTION B PAGE 13...
Page 89: ...SPLICE 33 FUSE BLOCK START 8 CYL LT9 N A 5 V 8 SECTION B PAGE 15...
Page 90: ...SECTION B PAGE 16...
Page 91: ...FORWARD REAR BATTERY BATTERY FUSE BLOCK START LL4 LH6 DIESEL SECTION B PAGE 17...
Page 100: ...GLOW PLUGS LL4 DIESEL SECTION B PAGE 26...
Page 101: ...PRODUCTION JUNCTION BLOCK GLOW PLUGS LH6 DIESEL SECTION B PAGE 27...
Page 104: ......
Page 124: ...43 8 YEL INSTRUMENT PANEL LAMPS TELLTALE SECTION B PAGE 50...
Page 125: ...ILLUM ILLUM ILLUM ILLUM ILLUM 43 8 YEL INSTRUMENT PANEL LAMPS GAGE SECTION B PAGE 51...
Page 128: ......
Page 131: ...IGNITION SWITCH IN D IC ATO R LA M PS TELLTALE S E C T IO NB PAGE5 7...
Page 133: ...8917693 IGNITION SWITCH INDICATOR LAMPS GAGE SECTION B PAGE 59...
Page 141: ...60 1 0 ORN BLK POWER DOOR LOCKS W ITH DELAY MODULE RPO AU 3 SECTION B PAGE 67...
Page 144: ...SECTION B PAGE 70...
Page 169: ......
Page 171: ..._ n n _ BATTERY FRONT FUSE BLOCK REAR START 6 CYL LL2 SECTION C PAGE 19...
Page 172: ......
Page 173: ...CONVENIENCE CENTER FRONT REAR FUSE BLOCK IGNITION 4 CYL SECTION C PAGE 21...
Page 177: ...FRONT REAR FUSE BLOCK IGNITION 6 CYL LB4 SECTION C PAGE 25...
Page 181: ......
Page 185: ...452 8 BLK 452 8 BLK TO ECM LN8 4 CYL ELECTRONIC CONTROL MODULE INPUTS SECTION C PAGE 33...
Page 187: ...TO ECM 120 1 0 TAN WHT 30 8 PNK LN8 4 CYL ELECTRONIC CONTROL MODULE OUTPUTS SECTION C PAGE 35...
Page 188: ...SECTION C PAGE 36...
Page 194: ...SECTION C PAGE 42...
Page 200: ...SECTION C PAGE 48...
Page 218: ......
Page 223: ...RADIO EQUIPMENT SECTION C PAGE 71...
Page 228: ...VANITY MIRROR RPO D64 SECTION C PAGE 76 12047781 141 8 BRN WHT H H VISOR VANITY MIRROR...
Page 242: ......
Page 248: ...SECTION D PAGE 6...
Page 263: ...TO PARK BRAKE WARNING SW l P CLUSTER CONN FUSE BLOCK START L25 V6 LE8 LT9 V8 SECTION D PAGE 21...
Page 269: ...CONVENIENCE CENTER l P CLUSTER CONN FUSE BLOCK IGNITION L05 L1 9 V 8 SECTION D PAGE 27...
Page 272: ...SPLICE 150 4 v J U U i FUEL SHUT OFF VALVE SEE PAGE GLOW PLUGS L L 4 DIESEL SECTION D PAGE 30...
Page 282: ...SECTION D PAGE 40...
Page 286: ......
Page 287: ...TO ECM ELECTRONIC CONTROL MODULE OUTPUTS L05 L19 V8 SECTION D PAGE 45...
Page 288: ...SECTION D PAGE 46...
Page 300: ...SECTION D PAGE 58...
Page 322: ...SECTION D PAGE 80...
Page 336: ...POWER DISTRIBUTION L 2 5 6 CYL BODY STYLE 4 2 SECTION E PAGE 2 FRONT FUSE BLOCK REAR...
Page 338: ...POWER DISTRIBUTION LT9 V 8 BODY STYLE 4 2 SECTION E PAGE 4 FUSE BLOCK REAR...
Page 339: ...3 2 BLK BATT CABLE FRONT FUSE BLOCK REAR POWER DISTRIBUTION L 0 5 V 8 SECTION E PAGE 5...
Page 349: ...WIPER WASHER SECTION E PAGE 15...
Page 351: ...pS A s L BATTERY FRONT REAR START IGNITIOIM LE8 V8 BODY S T Y L E 3 2 SECTION E PAGE 17...
Page 352: ...START IGNITION LT 9 V 8 BODY S T Y L E 4 2 SECTION E PAGE 18 FRONT REAR...
Page 356: ...SECTION E PAGE 22...
Page 363: ...FUEL SHUT OFF VALVE 12020274 GLOW PLUGS LL4 DIESEL SECTION E PAGE 29...
Page 365: ...TO ECM ELECTRONIC CONTROL M O D U LE IN P U T S L 0 5 V 8 SECTION E PAGE 31...
Page 367: ...TO ECM 439 8 PNK BLK ELECTRONIC CONTROL M O D U LE O U T P U T S L 0 5 V 8 SECTION E PAGE 33...
Page 374: ...SECTION E PAGE 40...
Page 386: ......
Page 387: ...l P CLUSTER CONN R H TAIL STOP 8 9 1 7 8 1 8 DIRECTIONAL LAMP HAZARD LAMPS SECTION F PAGE 9...
Page 389: ...R H TAIL STOP 8 9 1 7 8 1 8 DIRECTIONAL LAMP DIRECTIONAL LAMPS SECTION F PAGE 11...
Page 393: ...1 9 0 BLK l P JUNCTION BLOCK START 6 CYL SECTION F PAGE 15...
Page 396: ...ELECTRONIC CONTROL MODULE CONNECTORS TO STARTER IGNITION 6 CYL SECTION F PAGE 18...
Page 406: ...SECTION F PAGE 28...
Page 412: ...SECTION F PAGE 34...
Page 422: ......
Page 423: ...l P CLUSTER CONN INSTRUMENT PANEL LAMPS ELECTRONIC SECTION F PAGE 45...
Page 441: ......
Page 453: ......
Page 454: ...CHEVROLET I i...