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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 219 (Wiper System And 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 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the M75 windshield wiper motor.
  2. Install a 25 A fused jumper wire between the control terminal B and 12 V. Install a jumper wire between the ground terminal D and ground.
  3. Verify the M75 windshield wiper motor is operating in the low speed mode.
    • If the M75 windshield wiper motor is not in the low speed mode, replace the M75 windshield wiper motor.
  4. Install a 25 A fused jumper wire between the control terminal A and 12 V. Install a jumper wire between the ground terminal D and ground.
  5. Verify the M75 windshield wiper motor is operating in the high speed mode.
    • If the M75 windshield wiper motor is not in the high speed mode, replace the M75 windshield wiper motor.
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