GMC ST 350 1988, Wiring Diagram

Page: 417 / 454

SHEET M ETAL ,|| - ( 5 * 2 a -
GROUND ^
-3.0-BLK • 152
1 2 0 0 4 2 6 7
COMPRESSOR
TO RH HEADLAMP
TO RH PARK & DIR LAMP
TO W WASH PUMP
6 9 * * w 152
I 5 9 111521
1 5 2-1.0 BLK •
152-3.0 BLK-
l152l
r 52
c
s LiOt
BLOWER
M OTOR
2 9 7 3 4 0 7
DIODE
8 9 1 7 4 7 6
5 9 -1 0 DK GRN.
a
O
-6 5 -3 .0 PPL
■ 5 9 -.8 DK GRN/WHT
• 59 .8 DK GRN/WHT
| 4 4 0 | 1 j 4 6 5 |
n ^ i « i i
EH )3 EID
□ *EEI
□ «1«3
□
_ ED
□ ’ EED
14 3 4 110 {*43 7 j
□ " E E
□ »E=]
ELECTRONIC
CONTROL
MODULE
CONNECTOR
!X
l/P JU N C TIO N
BLOCK
" | | 4 2 0 | | 4 5 l | |4 34| |4 3 7| | 2b |[T|
J 2 4 | | 7 5 j | 3 5 | f T T | | 3 0 |
| | 4 5 0
J
R ©
"1 l422l Lf.Hl
Z D C Z
1 IR e ]
~ U J I ~ 1
4 3 9 I I 1
f i H i n
| 4 1 9 | | l i 5 ] l 4 6 5 | | | [ 5 9 _ )
l/P
3 0 W A Y
s
— \
CONN f Q \
B B
1 2 0 2 0 1 0 8
1 2 0 2 0 1 0 7
G RO M M ET
1 2 0 4 7 9 4 6
25 | 4 3 7 | 4 3 4 | 4 5 l | 4 2 p |
31 | 35 | 75 | 24 |
| 4 5 0 |
| 4 6 l | 4 2 2 ]
H
o
| 39 | 4 4 p | | l 5 8 | 4 9 5 ]
159 | | 4 6 5 | 1 2 0 | 4 1 9 |
BLOWER
SW ITCH
FRONT
FUSE BLOCK
- 6 6 -1 .0 LT GRN
- 6 3 1 0 TAN
- 5 2 .8 ORN
- 7 2 2 0 LT BLU
- 5 1 -2 .0 YEL
1 2 0 4 1 4 2 4
CONN & SEAL
A S M
AIR CONDITIONING ( L B 4 - 6 CYL.)
SECTION F -P A G E 39