Ground Circuit Continuity Check
- Carefully insert a small straight pin in ignition module Black wire. Attach negative voltmeter lead to ground. Attach positive voltmeter lead to straight pin.
- Turn ignition switch to "RUN" position, measure voltage. Turn ignition switch "OFF", remove straight pin.
- If voltage was more than 0.5 volt, proceed to "Wiring Harness Ground Circuit Check". If voltage was less than 0.5 volt, replace ignition module.