GM Service Manual Online
For 1990-2009 cars only
Connector 1: Cooling Fan Resistor (Except L66)
Connector 2: Cooling Fan (Except L66)
Connector 3: Cooling Fan - Left (L66)
Connector 4: Cooling Fan - Right (L66)
Connector 5: Cooling Fan Relay 3 (L66)
Connector 6: Coolant Level Switch

Cooling Fan Resistor (Except L66)


Object Number: 684796  Size: CH

Connector Part Information

  • OEM: 12059181
  • Service: See Catalog
  • Description: 2-Way F Metri-Pack 280 Series Sealed (GY)

Cooling Fan Resistor (Except L66)

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 (Except L66)


Object Number: 1283123  Size: CH

Connector Part Information

  • OEM: F8ZB-14A464-DA
  • Service: See Catalog
  • Description: 3-Way F (TN)

Cooling Fan (Except L66)

Pin

Wire Color

Circuit Number

Function

1

L-BU

409

Cooling Fan Motor Supply Voltage

2

--

--

Not Available

3

BK

150

Ground

Cooling Fan - Left (L66)


Object Number: 1283123  Size: CH

Connector Part Information

  • OEM: F8ZB-14A464-DA
  • Service: See Catalog
  • Description: 3-Way F (TN)

Cooling Fan - Left (L66)

Pin

Wire Color

Circuit Number

Function

1

L-BU

409

Cooling Fan Motor Supply Voltage

2

--

--

Not Available

3

WH

504

Ground

Cooling Fan - Right (L66)


Object Number: 1283123  Size: CH

Connector Part Information

  • OEM: F8ZB-14A464-DA
  • Service: See Catalog
  • Description: 3-Way F (TN)

Cooling Fan - Right (L66)

Pin

Wire Color

Circuit Number

Function

1

GY

532

Cooling Fan Motor Supply Voltage

2

--

--

Not Available

3

BK

150

Ground

Cooling Fan Relay 3 (L66)


Object Number: 535919  Size: CH

Connector Part Information

  • OEM: 12110539
  • Service: See Catalog
  • Description: 5-Way F Metri-Pack 280 Series Flex Lock (BK)

Cooling Fan Relay 3 (L66)

Pin

Wire Color

Circuit Number

Function

30

WH

504

Ground

85

OG

3040

Battery Positive Voltage

86

D-BU

473

High Speed Cooling Fan Relay Control

87

BK

150

Ground

87A

GY

532

Cooling Fan Motor Supply Voltage

Coolant Level Switch


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: See Catalog
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Coolant Level Switch

Pin

Wire Color

Circuit Number

Function

A

PK

239

Ignition 1 Voltage

B

L-GN

1478

Coolant Level Switch Signal