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.
Ignition Systems - Solid State Ignition: Testing: Notes
If the ignition system is suspected of a malfunction, inspect for loose connections and tighten as necessary, then check secondary ignition circuit as follows:
- Remove coil high tension lead from distributor cap and turn ignition switch on. Hold high tension lead 3/16" from a good ground and crank engine. If spark is good then trouble is in secondary circuit.
- If no spark is observed, ensure that high tension lead is good. If high tension lead is good, disconnect the 3-way and 4-way connectors at electronic module and test (see test procedure tables) system at harness connectors.NOTE: Do not make tests at module terminals.
If all of the following tests comply with specifications, replace electronic module.
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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.