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 MANUALSFORD1988AEROSTAR VAN PASSENGER, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEMIGNITION SYSTEM - DURA-SPARK IITESTINGDISTRIBUTOR GROUND CIRCUIT CONTINUITYNOTES
1988 Ford Aerostar Van Passenger, Automatic
Distributor Ground Circuit Continuity: Notes
1988 Ford Aerostar Van Passenger, AutomaticSECTION Notes
- Separate distributor connector from wiring harness. Inspect for dirt, corrosion, or damage. Connect ohmmeter leads to distributor base and Black wire terminal in distributor connector. Wiggle distributor grommet while measuring resistance.
- If resistance is less than one ohm, circuit is okay. If resistance is greater than one ohm, check ground screw in distributor housing. After test, reconnect distributor.
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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.