Ground Circuit Continuity
- Insert a small straight-pin in control module Black wire. DO NOT allow straight-pin to contact ground. Attach voltmeter negative lead to distributor base and positive lead to straight-pin in Black wire. With ignition switch in "RUN" position, measure voltage.
- If voltage reading was greater than .5 volt, proceed to DISTRIBUTOR GROUND CIRCUIT CONTINUITY test. If voltage was .5 volt or less, replace control module. After test, remove straight-pin.