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Home >> Hummer >> 2009 >> H3 Base, Standard >> Repair and Diagnosis (Single Page) >> Body & Frame >> Ignition Switch/Steering Lock >> Wiring Systems And Power Management - Service, Repair, Troubleshooting & Diagnosis >> Ignition Can/Cannot Be Turned Off with Transmission in Any Gear >> Component Testing

Component Testing

Park Switch

  1. Ignition OFF, disconnect the harness connector at the park switch.
  2. Test for infinite resistance between terminal F and terminal C with the switch in the open position.
    • If less than specified, replace the park switch.
  3. Test for less than 2 ohms between terminal A and terminal B with the switch in the closed position.
    • If greater than specified, replace the park switch.