Ground Circuit Continuity Check
- Insert a small straight pin in control module Black wire. Connect negative lead of voltmeter to distributor base and positive lead to straight pin in Black wire. With ignition switch in "RUN" position, measure voltage. Turn ignition switch "OFF" and remove straight pin.
- If voltage reading was greater than 0.5 volts, proceed to "DISTRIBUTOR GROUND CIRCUIT CONTINUITY CHECK ". If voltage was 0.5 volts or less, replace control module.