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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 191 (Fixed & MOVEABLE Window Systems) >> Diagnostic Information & Procedures >> Power Windows Malfunction >> Component Testing

Component Testing

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IMPORTANT: When performing the following tests, make sure that the device is not already in the position step 1 is attempting to produce. If it is, start with step 2 then perform step 1.
  1. Ignition OFF, disconnect the harness connector at the appropriate window motor.
  2. 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 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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