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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 946 (Transfer Case (NVG226-NP8)) >> Diagnostic Information and 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 Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. 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 circuit(s).
  3. 4.  Test the suspect lamp circuit(s) 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
G01705692Courtesy of GENERAL MOTORS CORP.
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