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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1407 (Door System, Mirror System & Window System) >> Diagnostic Information and Procedures >> DTC B3823: Right Rear Power Window Down Relay Circuit >> Circuit Description

Circuit Description

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The Body Control Module (BCM) grounds the control side of the right rear power window down relay upon receiving a class 2 message from the Driver Door Module (DDM).

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