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Home >> Pontiac >> 2002 >> Aztek AWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging System >> Diagnostic Tests >> DTC B1508: High Power Control Circuit High >> Circuit Description
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Circuit Description

The BCM monitors the load control circuit for shorts to ground and shorts to voltage. The circuit starts at the BCM and travels to the IP fuse panel where the circuit splits to supply power for the heated seat switch and HVAC control head for the rear defog relay driver.