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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1042 (Wiring Systems And Power Management - DTC B1441 To DTC B1475) >> DTC B1448 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The body control module (BCM) controls the wired accessory power components by applying voltage to the ignition voltage circuit at harness connector X5 terminal 14. Voltage is applied when the ignition switch is in ACC or ON.

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