How to Wire a Ford Solenoid | It Still Runs Probe the wiring underneath the column using the 12-volt test light. Turn the ignition to the "on" position. If you find a wire that lights up the test light, then turn off the ignition. If the light turns on and off with the ignition key, then you've found an ignition source. Duraspark II -- The Ford V-8 Engine Workshop Duraspark II electronic ignition was used on 1977 to 1984 Ford V-8 passenger car and light truck engines. This article refers to the Duraspark II control module with a BLUE strain relief bushing, one 4-pin connector, and one 2-pin connector.