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 MANUALSPONTIAC19836000 LE, 2D COUPE, 2.8 XREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER/WASHER SYSTEMS - FRONT ROUND WIPER MOTORTESTINGWIPER CIRCUITSPRELIMINARY CHECKS
1983 Pontiac 6000 LE, 2D Coupe, 2.8 X
Preliminary Checks
1983 Pontiac 6000 LE, 2D Coupe, 2.8 XSECTION Preliminary Checks
- Check terminal connections and ground on wiper motor and switch. Check fuse. With ignition "ON", center terminal on relay switch and terminal board must have 12 volts.
- Unplug motor connections and operate motor with jumpers to by-pass wiper switch. For testing, terminal 1 is adjacent to gear box, terminal 2 is in center and terminal 3 is adjacent to motor housing.
- Connect power jumper to terminal 2. Operate with jumpers connected as follows: "LO" speed, connect terminals 1 and 3 to ground. "HI" speed, disconnect terminal 3, terminal 1 remains grounded. "OFF" (Park), connect terminal 3 and disconnect terminal 1.
- If motor operates correctly after by-passing switch and harness, test other system components with motor on car. If motor does not operate, disconnect wiper linkage from motor crank arm and try jumper wire test again. If motor operates, check linkage for binds. If motor fails, remove motor and test circuits.
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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.