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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 603 (Engine Cooling System) >> Component Locator >> Cooling System Connector End Views
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Cooling System Connector End Views

WARNING: This page is about a different car, the 2004 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Coolant Level Terminal Identification Switch (If Equipped)

GM537107Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052644
  • 2-Way F Metri-Pack 150 Series Sealed (GY)
Pin Wire Color Circuit No. Function
A L-GN 1478 Coolant Level Switch Signal
B BK 550 Ground