Test B: Washers Always On

2004 Oldsmobile Bravada RWDSECTION Test B: Washers Always On
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. If wiper/washer system description and operation has been reviewed and preliminary inspection has been performed, go to next step. If wiper/washer system description and operation has not been reviewed and preliminary inspection has not been performed, go to DESCRIPTION & OPERATION  and DIAGNOSTIC STARTING POINT  under TROUBLESHOOTING.
  2. Turn ignition switch to ON position. Activate windshield washer. Does the system operate normally? If so, condition is intermittent. See INTERMITTENTS  under TROUBLESHOOTING. If not, go to next step.
  3. Turn the ignition OFF. Disconnect the inline harness connector C201 (I/P wiring-to-steering column connector - 48 pins). See Fig 1 . Remove the connector terminal row E from the steering column harness connector. Connect the inline harness connector C201. Turn the ignition ON. Are the windshield washers always on? If so, go to next step. If not, go to step  5 .
  4. Repair the windshield washer pump control circuit for a short to voltage. After repairs are complete, go to step  7 .
  5. Inspect for poor connections at the windshield wiper/washer switch. Did you find and correct the condition? If so, go to step  7 . If not, go to next step.
  6. Replace the windshield wiper/washer switch. See WIPER/WASHER SWITCH  under REMOVAL & INSTALLATION. After repairs are complete, go to step  7 .
  7. Operate system to verify fault no longer exists. If fault still exists, go to step  3 .
Fig 1: Identifying Windshield Wiper Switch Harness Connector C201 Terminals
G00052871Courtesy of GENERAL MOTORS CORP.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.