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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Door Lock Systems & Door Handles) >> Diagnostic Information and Procedures >> Power Door Locks Inoperative - Front >> Component Testing

Component Testing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. 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 door latch.
  2. Install a 15 amp fused jumper wire between the control terminal listed below and 12 volts:
    • Driver door latch control terminal 2
    • Passenger door latch control terminal 5
  3. Momentarily install a jumper wire between the control terminal listed below and ground. The door latch should perform the LOCK or UNLOCK function.
    • Driver door latch control terminal 3
    • Passenger door latch control terminal 6
    • If the function does not perform as specified, replace the door latch.
  4. Reverse the jumper wires; the door latch should perform the UNLOCK or LOCK function.
    • If the function does not perform as specified, replace the door latch.
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