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.
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HOMESERVICE MANUALSGMC1996SAVANA SPECIAL 6.5 YREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 65 (WIPER SYSTEM AND WASHER SYSTEM - P SERIES VANS)TESTINGWIPERS DO NOT OPERATE IN PULSE
1996 GMC Savana Special 6.5 Y
Wipers Do Not Operate In Pulse
1996 GMC Savana Special 6.5 YSECTION Wipers Do Not Operate In Pulse
WARNING: This page is about a different car, the 1996 GMC Vandura, 1996 GMC Forward Control, 1996 Chevrolet Forward Control, and 1996 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Turn wiper switch to PULSE position. Turn wiper switch to maximum delay position. Disconnect wiper switch connector. Using a DVOM, measure resistance between Brown/White wire and Brown wire terminals of wiper switch connector. See Figure . If resistance is about 500 k/ohms, go to next step. If resistance is less than 30 ohms or more than one megohm, replace wiper switch.
- Measure resistance between Black wire and Light Blue/Black wire terminals of wiper switch connector. If resistance is more than 5 ohms, replace wiper switch. If resistance is less than 5 ohms, replace pulse wiper control module.
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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.