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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 843 (HVAC Systems - Automatic) >> Diagnostic Information and Procedures >> Blower Motor Always On >> Test Description

Test Description

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The number below refers to the step number on the diagnostic table.

  1. 4. The blower motor parameter must be commanded ON before an OFF command will function.
    Fig 1: Diagnosis Procedure Blower Motor Always On
    G01454770Courtesy of GENERAL MOTORS CORP.

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