1991-1993 Ford Mustang Vehicle Wiring Chart and Diagram Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1991-1993 Ford Mustang information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Part 1 -Ford Ignition System Circuit Diagram (1992-1993 4 Mar 16, 20181992, 1993 F150, F250, and F350. 1992, 1993 Bronco. The PIP (Profile Ignition Pickup) is the defacto crankshaft position sensor and is located inside the distributor (although in the wiring diagram it's not illustrated as so). NOTE: You can find the ignition control module test explained here: How To Test The Ford Ignition Control Module.