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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 Indicators Flash Continuously >> 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.  Determine the position of the Front Axle Switch.
  2. 3.  Helps determine if the front axle will not engage.
  3. 4.  Helps determine if the front axle will not disengage.
Fig 1: Transfer Case Shift Control Switch Indicators Flash Continuously
G01705694Courtesy of GENERAL MOTORS CORP.