GM Service Manual Online
For 1990-2009 cars only
Table 1: After Boil Coolant Pump (2002 w/L81)
Table 2: Cooling Fan Resistor (w/ 2 Speed Cooling Fan System)
Table 3: Cooling Fan
Table 4: Coolant Level Switch

After Boil Coolant Pump (2002 w/L81)


Object Number: 1283118  Size: CH

Connector Part Information

    • 401793
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

BK

2022

Coolant Pump Relay Control

2

BK/WH

451

Ground

Cooling Fan Resistor (w/ 2 Speed Cooling Fan System)


Object Number: 684796  Size: CH

Connector Part Information

    • 12059181
    • 2-Way F Metri-Pack 280 Series Sealed (GY)

Pin

Wire Color

Circuit Number

Function

A

L-BU

409

Cooling Fan Motor Supply Voltage

B

GY

532

Cooling Fan Relay Supply Voltage

Cooling Fan


Object Number: 1283123  Size: CH

Connector Part Information

    • F8ZB-14A464-DA
    • 3-Way F (TN w/ BK Case)

Pin

Wire Color

Circuit Number

Function

1

L-BU

409

Cooling Fan Motor Supply Voltage

2

--

--

Not Used

3

BK

150

Ground

Coolant Level Switch


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

PK

239

Ignition 1 Voltage

B

L-GN

1478

Coolant Level Switch Signal