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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 >> Liftgate Release Inoperative (w/o E61) >> Component Testing

Component Testing

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Liftgate Latch

  1. Ignition OFF, disconnect the harness connector at the liftgate latch assembly.
  2. Install a 15A fused jumper wire between the control terminal 1 and 12 volts. Install a jumper wire between the ground terminal 3 and ground. Verify the liftgate latch assembly activates.
    • If the liftgate latch assembly does not perform as specified, replace the liftgate latch assembly.

Liftgate Release Switch

  1. Ignition OFF, disconnect the harness connector at the liftgate handle switch.
  2. Test for infinite resistance between the signal terminal A and the ground terminal B with the switch in the open position.
    • If not the specified value, replace the liftgate handle switch.
  3. Test for less than 2 ohms between the signal terminal A and the ground terminal B with the switch in the closed position.
    • If greater than the specified range, replace the liftgate handle switch.
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