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 MANUALSFORD1985ECONOLINE E350, VAN DISPLAY EXTENDED, 5.8 GREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETUNE-UPIGNITION SYSTEM - DURA-SPARK IITESTINGMODULE-TO-COIL WIRE CHECK
1985 Ford Econoline E350, Van Display Extended, 5.8 G
Module-To-Coil Wire Check
1985 Ford Econoline E350, Van Display Extended, 5.8 GSECTION Module-To-Coil Wire Check
- Disconnect control module 4-wire connector and ignition coil connector. Connect one ohmmeter lead to distributor base and the other to "TACH" terminal of ignition coil connector.
- Measure resistance. There should be no continuity between wire and ground. If continuity exists, check wiring harness for short circuit.
- Disconnect ohmmeter lead from distributor base. Connect meter to harness connector terminal that mates with Green wire and measure resistance. If wire shows any resistance, check wiring harness.
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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.