Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Wipers & Washer Do Not Operative
1996 GMC Savana Special 6.5 YSECTION Wipers & Washer Do Not Operative
NOTE:
Ensure WIPER fuse (No. 11) is okay before testing system.
- Turn ignition switch to RUN position. Using a test light, backprobe from Yellow wire terminal of wiper switch Black connector to ground. If test light is on, go to next step. If test light is off, repair open Yellow wire between wiper switch Black connector and 25-amp WIPER fuse. See Figure .
- Disconnect wiper switch Black connector. Turn wiper switch to HI position. Connect self-powered test light between Yellow wire and Purple wire terminals of wiper switch Black connector. If test light is on, go to next step. If test light is off, repair open Yellow or Purple wire. If wires are okay, replace wiper switch.
- Disconnect wiper motor connector. Connect self-powered test light between ground and Black wire terminal of wiper motor connector. If test light is on, replace wiper motor. If test light is off, repair open Black wire between wiper motor and ground.
RENDER: 1.0x
NO RELATED
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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.