15-Step D, Logic Module Ground Circuit

1. With ignition switch in the RUN position, connect a suitable digital voltmeter between terminal No. 23 of the logic module white electrical connector and ground.
2. If voltmeter indicates 7 1/2 to 9 volts, proceed to Test 15 step E.
3. If voltmeter indicates 0 volts, proceed to Test 15 step F.