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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1935 (Wiring Systems And Power Management - Service, Troubleshooting & Diagnosis) >> Ignition Can/Cannot Be Turned Off with Transmission in Any Gear >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Park Switch

  1. Ignition OFF, disconnect the harness connector at the park switch.
  2. Test for infinite resistance between terminal 4 and terminal 10 with the switch in the open position.
    • If less than specified, replace the park switch.
  3. Test for less than 2 ohms of resistance between terminal 4 and terminal 10 with the switch in the closed position.
    • If greater than specified, replace the park switch.
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