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 MANUALSBUICK1998REGAL 25TH ANNIVERSARY EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER SYSTEM AND WASHER SYSTEMTESTINGTEST NO. 7: WIPERS DO NOT RUN WHEN WASHER IS TURNED ON
1998 Buick Regal 25th Anniversary Edition
Test No. 7: Wipers Do Not Run When Washer Is Turned On
1998 Buick Regal 25th Anniversary EditionSECTION Test No. 7: Wipers Do Not Run When Washer Is Turned On
- Turn ignition switch to RUN position. Using a test light, backprobe between ground and Dark Green wire at wiper switch 48-pin connector. Connector is located behind instrument panel, on right side of steering column.
- If test light is on, check for poor connection or open in Dark Green wire between wiper switch and wiper motor. Repair as necessary. If no problem is found, replace wiper motor cover. If test light is off, check for poor connection or open in wiper/washer pigtail connection. Repair as necessary. If no problem is found, replace wiper/washer switch assembly.
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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.