GMC ST 350 1988, Wiring Diagram

Page: 176 / 454

Q
GRO M M ET
1 2 0 5 9 4 4 0
O
t >
o - f l
£
D t
□
—
S>
□ ------
□-----
3
DISTRIBUTOR
0.
00
-4 3 9 -.8 PNK/BLK •
GENERATOR
y '"rv r >»_
L- C l2
C 3 i
1 2 0 4 0 7 5 4
- 4 3 9 - 8 PNK/BLK -
- 4 5 3 - 8 BLK/RED -
- 4 3 0 .5 PPL/WHT-
<*440
- 4 2 3 - 5 WHT
- 4 2 4 .8 TAN/BLK ■
-4 3 9 - 8 PNK/BLK -
-4 5 3 .8 BLK/RED <
- 4 3 0 .5 PPL/WHT -
• 4 2 3 .5 WHT
-4 2 4 - 8 TAN/BLK -
/ ^ V
D
1 2 0 4 0 7 5 3
1 2 0 4 0 7 0 6
_ r V
*
121 r i
1
3
1 2 0 4 0 7 0 5
COIL
o
cj
CO
TO HALF
FUNCTION ESC
TO EVRV
SOLENOID
Z
5
00
TACHOM ETER
f
BH
2 9 7 7 2 5 3
TO
INJECTORS
SPLICE 4 3 9
- 4 3 9 .8 PNK/BLK -
ENGINE
i
o
IGNITION (6 CYL.) LB4
SECTION C-PAGE 24
i
/
p
-2 5 .8 BRN-
-3 9 .8 PNK/BLK -
1 2 0 2 0 1 8 3
9 4
2 9
4 1
9 15 1
12
J ,
33 11
T <
92
V
1 20
19 1
H 24
30 1 8 |
8 0 6
39
I
* - * r
TO A/C
RELAY
1 2 0 4 6 8 9 6
TO
BATTERY
TO JUNCTION BLOCK
- ► TO ENGINE CONN.
1 2 0 2 0 1 8 4
9 2 4
l « ° l 1 |»8S|
C l2] 2 E 3
O i E j g
□ ♦ E E ]
■1 * 3 ° 1 5 l « l » l
□ 6
e h
) * Em
□ s |«3
L?»: t
r
2
r
3 ~444
= r
-
^ 4 2 4
5
4 4 1 -
| 4 l j
I 4 1 2
6
7
4 4 6 1
j
n
8
4 9 5
i ' 5 ' <»
8 0 6
| . S 1
10
4 1 0
1
11
4 3 2 I
2 1
I
12
13
4 7 2 -
4 1 7 } '
[
14
4 1 6
15
| 4 6 7 16 4 4 0
ELECTRONIC
CONTROL M ODULE
CONNECTORS
- 4 3 9 - 8 PNK/BLK -
---- 3-3 .0 PNK-------
---- 3-3 .0 PNK-------
-2 5 - 8 BRN-
-39-.8 PNK/BLK-