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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 992 (Fixed & MOVEABLE Window Systems) >> Diagnostic Information and Procedures >> DTC B3205 >> Component Testing

Component Testing

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.
  1. Ignition OFF, disconnect the harness connector at the appropriate window motor.
  2. Ignition ON, install a 25 amp fused jumper wire between the control terminal A and 12 volts. Momentarily install a jumper wire between the control terminal B and ground. The appropriate window motor should perform the UP function.
    • If the function does not perform as specified, replace the appropriate window motor.
  3. Reverse the jumper wires; the appropriate window motor should perform the DOWN function.
    • If the function does not perform as specified, replace the appropriate window motor.
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