FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Starting System Circuit Description

Moving the ignition switch to the START position sends a 12 V signal to the Park Neutral Position (PNP) switch. The PNP switch must be in P or N in order for the voltage to flow to the starter solenoid C1 terminal. Ground is supplied through the engine block.