Starter solenoid wiring for 1990 7.3 diesel - Fixya Mar 24, 2013Starter solenoid wiring for 1990 7.3 diesel. New starter solenoid wiring diagram? Posted by Anonymous on Mar 24, 2013. Key is stuck in 1990 ford f-350 can not remove key from ignition on 1990 ford f-350. Jun 27, 2014 | 1990 Ford F350. 0 Answers how to release a siezed emergency brake on a f350. Fender mounted starter solenoid wiring - Diesel Truck Forum Mar 30, 2013This is how most ford gasser starters are wired, because they do not have a starter mounted solenoid just like your cummins starter. On my old f150 and my ranger, they are just like the picture you have. One solenoid on the fender. Question is this. Is this solenoid strong enough to handle the amperage a diesel starter demands.