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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1310 (Wiper System & Washer System) >> Diagnostic Information and Procedures >> Windshield Wiper System Malfunction >> Component Testing >> Windshield Wiper Motor Dynamic Test
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Windshield Wiper Motor Dynamic Test

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the windshield wiper motor.
  2. Install a 25-amp fused jumper wire between B+ and the control terminal 1. Install a jumper wire between the terminal 5 and ground.
  3. The wiper motor should be in low speed mode.
    • If the wiper motor is not in the low speed mode replace the motor.
  4. Install a 25-amp fused jumper wire between B+ and the control terminal 4. Install a jumper wire between the terminal 5 and ground.
  5. The wiper motor should be in the high speed mode.
    • If the wiper motor is not in the high speed mode replace the motor.
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