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Test Description

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The numbers below refer to the step numbers on the diagnostic table.

  1. 2. This step tests the transfer case electrical control of the lamp circuits.
  2. 3. This step helps determine module failures.
  3. 4. This step tests the affected lamp circuit for an open or high resistance.
  4. 5. This step tests the lamp feed circuit for an open or short to ground.
Fig 1: Transfer Case Shift Control Switch Indicator Inoperative - One Or More
G01481110Courtesy of GENERAL MOTORS CORP.
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