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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 663 (Transfer Case - NVG 246-NP8 (2-Speed Automatic)) >> Diagnostic Information & Procedures >> Transfer Case Shift Control Switch Indicator Always On - Two or More >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. 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)  - Tests the transfer case electrical control of the lamp circuits.
  2. 3)  - Helps determine a short to ground in the suspect lamp circuits.
  3. 4)  - Test the suspect lamp circuits for a short to ground.
  4. 5)  - Repair short to ground in the suspect lamp circuit.
Fig 1: Transfer Case Shift Control Switch Indicator Always On - Two or More Diagnosis
G01668691Courtesy of GENERAL MOTORS CORP.
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