GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch Relay
Table 2: Ignition Switch C1
Table 3: Ignition Switch C2

A/C Compressor Clutch Relay


Object Number: 535912  Size: CH

Connector Part Information

    • 12129716
    • 4-Way F Metri-Pack Series 280 FLX LK (MD GRY)

Pin

Wire Color

Circuit No.

Function

30

PNK

439

Fuse Output-Ignition-1

85

DK GRN/ WHT

459

Air Conditioning Control Relay Output-Coil

86

PNK

439

Vehicle Speed Signal

87

DK GRN

59

Air Conditioning Compressor Clutch Feed

Ignition Switch C1


Object Number: 295477  Size: CH

Connector Part Information

    • 12129842
    • 6-Way F Metri-Pack Series 280, 630

(NAT)

Pin

Wire Color

Circuit No.

Function

A

PNK

3

Ignition Switch Output - Ignition 1

B

ORN

300

Ignition Switch Output - Ignition 3

C

YEL

5

Ignition Switch Output - Crank

D

WHT

1390

Ignition Switch Output - Off, Run, Crank

E

BLK

150

Ground

F

BLK

150

Ground

Ignition Switch C2


Object Number: 258182  Size: CH

Connector Part Information

    • 12162229
    • 6-Way F Metri-Pack Series 280, 630

(BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

4

Ignition Switch Output - Accessory

B

RED

242

Fuse Output - Battery - Type II Fuse

C

RED

242

Fuse Output - Battery - Type II Fuse

D

BLK

1350

Ground

E

--

--

Not Used

F

GRN LT

80

Key Reminder Switch Signal