More Information for GM GENUINE 20815337
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GM GENUINE 20815337  
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GM GENUINE 20815337 Specifications
Terminal Quantity4
Terminal TypeSpade
Washer Pump IncludedNo
Wiper Speeds1
Wiring Harness IncludedNo
  • Operates the wiper transmission to help provide a clean windshield
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function

Wiper Motor Diagnosis

If your windshield wipers are not operating, this can be caused by a variety of different parts on the vehicle and mis-diagnosis is common. Read these troubleshooting tips first:

  1. With the car off, try to manually move your wiper blades back and forth.
  2. If you can move your wiper blades, that may signify a mechanical problem. Inspect your wiper linkage to see if it has separated the wipers from the motor. (To find a replacement Wiper Linkage, click on "Wiper Linkage/Transmission" under the "Wiper & Washer" category.)
  3. If you cannot move your wiper blades, disconnect your wiper motor and turn your ignition and wipers on.
  4. Test the connector's terminals with an Electrical Tester to see if the motor is receiving power.
  5. If the wiper motor is receiving power but not functioning, it is likely a faulty wiper motor.
  6. If your motor is not receiving power, you will want to check for blown fuses, bad relays, or broken wires to fix the connectivity issue.

OEM / Interchange Numbers: 15192152

Warranty Information:
24 Month / Unlimited Mile Warranty