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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 902 (Transfer Case - NVG 233-NP1 (Two Speed SELECTABLE)) >> Diagnostic Information and Procedures >> Transfer Case Shift Control Switch Indicator Inoperative - One or More >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 2. This step helps to determine intermittent conditions.
  2. 3. This step helps to determine if the transfer case range changes with the press of all of the transfer case shift control switch buttons.
  3. 4. This step determines if there is a faulty indicator inside the transfer case shift control switch assembly.
  4. 5. This step repairs an open in the suspect indicator control circuit.
Fig 1: Diagnostic System Check (Switch Indicator Lamps Do Not Light)
G01468237Courtesy of GENERAL MOTORS CORP.
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