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 MANUALSFORD1987CUTAWAY 7.5 LREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEMIGNITION SYSTEM - DURA-SPARK IITESTINGRESISTANCE WIRE
1987 Ford Cutaway 7.5 L
Resistance Wire
1987 Ford Cutaway 7.5 LSECTION Resistance Wire
- Disconnect control module 2-wire connector and remove coil connector from coil. Connect ohmmeter leads to "BATT" terminal of coil connector and control module harness connector Red wire terminal.
- If resistance is .8-1.6 ohms, problem is either intermittent or not in ignition system. If resistance was below .8 ohms or more than 1.6 ohms, replace resistance wire. After test, reconnect all connectors.
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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.