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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 742 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> Wipers Inoperative-One or More Modes >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. 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. 8.  This step tests for continuity through the 24K Ω resistor in the windshield wiper/washer switch.
  2. 9.  This step tests for continuity through the delay resistors in the windshield wiper/washer switch. The measured resistance will change in sequence from high to low as the delay speed is increased.
Fig 1: Identifying Wipers Inoperative - One Or More Modes Diagnostic Table (1 Of 2)
G01779709Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Wipers Inoperative - One Or More Modes Diagnostic Table (2 Of 2)
G01779710Courtesy of GENERAL MOTORS CORP.