GM Service Manual Online
For 1990-2009 cars only
Connector 1: Coolant Level Switch
Connector 2: Cooling Fan - Left
Connector 3: Cooling Fan - Right

Coolant Level Switch


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: 12102747
  • Description: 2-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Coolant Level Switch

Pin

Wire Color

Circuit No.

Function

A

BK

350

Ground

B

L-GN

1478

Coolant Level Switch Signal

Cooling Fan - Left


Object Number: 523591  Size: CH

Connector Part Information

  • OEM: 12033769
  • Service: 12101917
  • Description: 2-Way F Metri-Pack 630 Series Sealed Pull-to-Seat (BK)

Terminal Part Information

  • Terminal/Tray: 12033997/8
  • Core/Insulation Crimp: D/B
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Cooling Fan - Left

Pin

Wire Color

Circuit No.

Function

A

WH

504

Cooling Fan Motor Low Reference

B

L-BU

409

Cooling Fan Motor Supply Voltage 1

Cooling Fan - Right


Object Number: 523591  Size: CH

Connector Part Information

  • OEM: 12033769
  • Service: 12101917
  • Description: 2-Way F Metri-Pack 630 Series Sealed Pull-to-Seat (BK)

Terminal Part Information

  • Terminal/Tray: 12033997/8
  • Core/Insulation Crimp: D/B
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Cooling Fan - Right

Pin

Wire Color

Circuit No.

Function

A

BK

450

Ground

B

GY

532

Cooling Fan Motor Supply Voltage 2