1978 Chevy Ignition Switch Wiring Diagram. I need a ignition switch diagram for a 1978 chevy p30 box van thanks lee answered by a verified chevy mechanic we use cookies to give you the best possible experience on our website. Access our free wiring diagrams repair guide for chevrolet full size cars 1968 1978 through autozone rewards.
Locate the wiring harness mounted to the steering column. There will be main lines which are represented by l1 l2 l3 and so on. If not the arrangement wont work as it ought to be.
From the circuit controller the circuit goes into the circuit load.
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