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.
1999 Saturn SL2 Automatic, MP6FACTORY OEM SERVICE PROCEDURE
Wipers Do Not Operate In Any Mode
- Check WIPER fuse (25-amp) in instrument panel junction block. Check for faulty Red wire between IGN4 fuse (30-amp) and ignition switch, faulty Brown wire between ignition switch and WIPER fuse, or faulty Yellow wire between WIPER fuse (25-amp) and wiper module. Check for faulty Black wire between wiper switch and ground, or between wiper module and ground. See WIRING DIAGRAMS .
- Check for faulty ignition switch or faulty wiper module. Check for faulty wiper switch. See WIPER/WASHER SWITCH under COMPONENT TESTS. Check for too much friction between wiper blades and windshield.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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