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Ford PMGR Starter Wiring Diagram - Solenoid, Relay & Cable Instructions

Starter wiring instructions diagram showing battery positive cable, starter cable, and solenoid stud connections.

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This document is a wiring instruction diagram for a Ford PMGR (Permanent Magnet Gear Reduction) starter. It illustrates how to connect a PMGR-style starter motor to the vehicle's starter relay (fender-mounted solenoid) and battery. The diagram shows the battery positive cable attaching to one large stud of the starter relay. A #12 gauge wire (marked with annotation #2) runs from the relay's output side down to the 4MM solenoid stud on the starter motor solenoid, secured with an 8MM nut. The main starter cable, specified as #4 to #2 gauge, runs from the relay (annotation #1) to the large terminal on the starter motor solenoid. The relay terminal labeled 'Relay Terminal Key Switch Or Push Button' identifies where the ignition key switch or a push button trigger wire connects. Callouts identify the 4MM stud and 8MM nut on the starter solenoid. A reader can learn the proper wire gauges (#12 gauge trigger wire, #4-#2 gauge main cable), the connection points on both the fender relay and the starter-mounted solenoid, and the hardware sizes involved when retrofitting or wiring a Ford PMGR starter. No specific model years, engines, or part numbers are stated on the document.

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Frequently asked questions

What gauge wire goes to the 4MM solenoid stud on a Ford PMGR starter?
The diagram specifies #12 gauge wire from the relay to the 4MM solenoid stud on the starter motor solenoid.
What size should the main starter cable be for a Ford PMGR starter?
The diagram calls for a starter cable of #4 to #2 gauge.
What size nut secures the wire to the starter solenoid stud?
An 8MM nut secures the #12 gauge wire to the 4MM stud on the starter motor solenoid.
Where does the key switch or push button connect on the starter relay?
It connects to the small relay terminal labeled 'Relay Terminal Key Switch Or Push Button' on the fender-mounted relay.
Where does the battery positive cable attach in this PMGR starter wiring?
The battery positive cable attaches to one of the large studs on the starter relay, shown at the top of the diagram.

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