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Wiring diagrams Section: Cooling System (Mechanical)

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Engine Cooling System: Wiring Hummer H2 I

Cooling System (Mechanical)

Cooling System Connector End Views

Coolant Level Terminal Identification Switch (If Equipped) 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