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.
1985 Chevrolet Nova CL, StandardFACTORY OEM SERVICE PROCEDURE
Ignition System: Testing: Module
- Turn ignition off. Remove distributor cap. Turn ignition on. Check voltage at ignition coil positive terminal, using a voltmeter. Voltage should be 12 volts.
- Check voltage at ignition coil negative terminal. Voltage should be 12 volts. Using a 1.5 volt dry cell battery, connect positive pole of battery to Pink wire terminal and negative pole to White wire terminal, for no more than 5 seconds.
- Check voltage at ignition coil negative terminal with battery connected, using a voltmeter. Voltage should be 0-3 volts. If system fails any of these test, replace module.
Factory Service Tools
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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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