Mustang forums at stangnet it has slightly longer post than the stock starter solenoid if someone needs to add more wires to the starter solenoid and the st404 is a very common alternative part for other stock applications. Starter solenoid 3 pole to 4 pole wiring.

Wiring Diagrams To Help You Understand How It Is Done
3 post starter solenoid wiring. How to wire starter button and solenoid to an atv 3 wheeler 4 wheeler duration. Other solenoids mostly on fords are remote mounted. Starter solenoid wiring diagram without starting relay type. How to diagnose test. A solenoid that has 3 terminals total such as tr118665 grounds through the mounting hardware so it must be attached to a clean and corrosion free bare metal surface if not otherwise internally grounded. How to test a 3 post starter selenoid.
Or utv how to test a starter solenoid duration. A 4 terminal solenoid such as pk5230701 requires a separate ground wire. Connect the second large red wire which runs to the battery to the second large terminal on the solenoid. A 4 terminal starter solenoid like the pollak pk5230701 needs to be wired so that the 12v power inout is connected to the two larger terminals while the two smaller terminals are connected to ground and an ignition source. Some terminals may be labeled. A wiring diagram is a streamlined conventional pictorial representation of an electrical circuit.
Not every car carry the starter relay in starting system and the starter solenoid wiring diagram can be learned by with or without starter relay type. It reveals the elements of the circuit as streamlined shapes and the power and signal links between the gadgets. Starter solenoid wiring diagram. These solenoids are. Collection of 4 pole starter solenoid wiring diagram. How to wire a continuous duty solenoid to power accessories in.
Works on trucks cars several different styles of tractor ignitions as. Most vehicles use a starter mounted solenoid that functions as a high power switch to connect the starter drive pinion gear with the flywheel to start the engine. The one or two small terminals handle the small signal current from the ignition switch. You could use either style provided it is rated properly for your application. A 3 terminal solenoid grounds through the hardware so if you didnt run a wire for ground to the 4 terminal solenoid then that is your issue. Most on starter solenoids are easy to wire as you mount the starter on the engine.
Connect the large red wire that runs to the starter to one of the large terminals on the tractor solenoid. The starting system circuit without starter relay set in is shown in fig.