GM Service Manual Online
For 1990-2009 cars only
Table 1: Auxiliary Fan Relay
Table 2: Auxiliary Coolant Fan Motor
Table 3: Low Coolant Level Indicator Module
Table 4: Low Coolant Level Switch

Auxiliary Fan Relay


Object Number: 306493  Size: CH

Connector Part Information

    • 12129716
    • CONN 4F M/P 280 FLXLK SLD (GRY)

Pin

Wire Color

Circuit No.

Function

30

ORN

1540

Fuse Output - Ignition 1 - Type III Fuse

85

ORN

1240

Fuse Output - Battery - Type III Fuse

86

ORN/BLK

473

TCS Signal - Torque Desire

87

RED

702

Fuse Output - Battery -Type 1 Fuse

Auxiliary Coolant Fan Motor


Object Number: 82413  Size: CH

Connector Part Information

    • 12015792
    • 2F W/P TWR (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

250

Ground

B

RED

702

Fuse Output - Battery Type I Fuse

Low Coolant Level Indicator Module


Object Number: 403569  Size: CH

Connector Part Information

    • 12004706
    • 6 P/C Edgeboard Standard (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

38

Fuse Output - Battery Type I Fuse

B

-

-

Not Used

C

BLK

250

Ground

D

-

-

Not Used

E

YEL/BLK

68

Low Coolant Level Indicator Output

F

LT GRN

1478

Low Coolant Sensor Signal

Low Coolant Level Switch


Object Number: 302000  Size: CF

Connector Part Information

    • 12052635
    • 2F M/P (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1478

Low Coolant Signal Sensor

B

BLK

250

Ground