GM Service Manual Online
For 1990-2009 cars only

Cooling System Connector End Views w/o CTF

Connector 1: Coolant Level Switch

Coolant Level Switch


Object Number: 237066  Size: CH

Connector Part Information

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

Coolant Level Switch

Pin

Wire Color

Circuit No.

Function

A

L-GN

1478

Coolant Level Switch Signal

B

BK/WH

451

Ground

Cooling System Connector End Views CTF

Connector 1: Coolant Level Switch
Connector 2: Cooling Fan (LMM)

Coolant Level Switch


Object Number: 237066  Size: CH

Connector Part Information

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

Coolant Level Switch

Pin

Wire Color

Circuit No.

Function

A

L-GN

1478

Coolant Level Switch Signal

B

BK/WH

451

Ground

Cooling Fan (LMM)


Object Number: 647974  Size: CH

Connector Part Information

  • OEM: 13519051
  • Description: 5-Way F GT 150 Series, Sealed (BK)

Cooling Fan (LMM)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

WH

2368

Cooling Fan Clutch Supply Voltage

C

BN/WH

6141

Low Reference

D

D-BU

2364

Cooling Fan Speed Signal

E

GY

2365

5-Volt Reference 1