OXYGEN
SENSOR
THROTTLE
POSITION
SENSOR
TO COOLANT
TEMP. SENSOR
SPLICE 4 5 2
4 1 2 .5 PPL •
1 2 0 1 5 7 9 1
1 2 0 2 0 1 0 8
1 2 0 2 0 1 0 7
GROMMET
■ 4 1 2 .5 PPL ■
- 4 5 2 .5 B LK -----
- 4 1 7 .5 DK BLU-
~ T l ( q i | |
4 1 6 .5 GR A------------------------------------------------- I >---------------------------------------------------------------------------------------------------
-416
SPLICE 4 1 6
1 2 0 6 5 2 8 7 \
/
n
/ 4
1 j
)
'
r
4 1 7 .5 DK BLU-
4 5 2 .5 B L K -----
4 1 6 -.5 GRA------
TO MAP
SENSOR
INJECTOR
4 6 7 .8 DK BLU-
4 3 9 .8 PNK/BLK-
TO EGR
SOLENOID'
-4 3 9 -1 .0 PNK/BLK -
■ 4 6 7 .8 DK BLU —
- 4 3 9 .8 PNK/BLK-
SPLICE 4 3 9
l/P JUNCTION
BLOCK
■ 4 3 9 -1 .0 PNK/BLK -
fl420| |45l||d34| |437|
f
25 )
■ 20 | | 75 J| 35 | I 31 j 1 30 |
" ” U] 1-3-1 I-----1 1-4501
....
II
□
1
—ujf n
43911
1
TEH K H 3 C JEElGiEI
|4I9||!20l|46
l/P
3 0 W AY
CONN
B
B
26
30
4 5 0
46T
4 5 6
4 3 7 |4 3 4 |4 5 ll4 2 0 j
31 | 3 5 | 75 | 24 |
4 2 2 |
| 4 3 9
;5)l20|419l
1 2 0 4 8 1 4 0
------ 1 3
m
J
1 5 g | 4 9 s ) f
S B
- 4 3 9 -1 .0 PNK/BLK
THROTTLE BODY INJECTION (4 CYL.)
SECTION F-P A G E 20
1 2 0 4 1 1 6 8
- 4 1 2 .5 PPL
-4 1 7 - 5 DK BLU
- 4 5 2 - 5 BLK
-4 1 6 .5 GRA
-4 6 7 - 8 DK BLU
-4 3 9 .8 PNK/BLK
ELECTRONIC
CONTROL
MODULE
CONNECTORS
41 7 - 5 DK BLU-
B IB a S 8 0 E
51
e
a ® 0 0
o
® a
hi
a a 0 is
- 4 3 9 -1 .0 PNK/BLK
12041424
CONN & SEAL
ASM
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...