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Home >> Hummer >> 2010 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Fixed And MOVEABLE Windows System) >> Diagnostic Information and Procedures >> Power Windows Malfunction (Crew Cab) >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2010 GMC Canyon and 2010 Chevrolet Colorado. 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. Install a 25A fused jumper wire between the control terminal 1 and 12 volts. Momentarily install a jumper wire between the control terminal 2 and ground. The window motor should perform the UP or DOWN function.
    • If the function does not perform as specified, replace the window motor.
  3. Reverse the jumper wires; the window motor should perform the DOWN or UP function.
    • If the function does not perform as specified, replace the window motor.
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