About Dusty Granata Expertise Ford Truck Drive train Repair, 4x4 systems, Engines, Transmissions, Transfer Cases, Axles. Electrical systems, Fuel Delivery, Charging system, Starting System.
Experience Mechanic at Ford Dealerships, and General Automotive repair at small town garages. have over 15 years experience.
I also have extensive heavy equipment experience with John Deere, Cat, Hyster, Case and IH.
Organizations Triangle Fire Company
Education/Credentials BOCES automotive (1999)
Ford Blue Oval certified (2005)
Awards and Honors Firefighter of the year (2006)
You are here: Experts > Autos > Trucks > Ford > f-350 won't start without jumping solenoid
Question my 1974 f-350 has the 390 v-8. It will only start if I jump
the fender mounted solenoid. I have changed the ignition
switch, and the solenoid but no luck yet. What should I do?
Thanks
Answer pull the energizer wire from the solenoid, and with someone holding the key in the start position hook a multimeter to the end of the wire and to the ground. if you do not get voltage you most likely have a bad wire from the key switch, in which case you can by pass the ignition switch and run a push button starter, wired to the key. turn the key push the button engine starts. or trace the energizer wire back into the key switch with a multimeter and repair or replace the broken wire. if you take apart the harness and hold the key to the start position test each contact and find the one that is hot only in the start position, but not in the on position. run a new wire from there to the solenoid.