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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
When I turn the key the solenoid (relay, whatever) on the firewall clicks, the source wire on the starter solenoid has 12 volts, the solenoid works (12 volts on the source wire, ground on the big terminal) But no start. If i turn the key and short the terminals together the starter turns...what gives?
THats what i was calling the source wire. That's been done, it has 12 volts. I'm soooooo lost here.
Ok, if you know the relay has a good ground connection (where it bolts to the fender itself) and yo have power at the starter solenoid, and it wont crank, then the starter solenoid is most likely bad. You can replace them, but I'd just get a new starter assembly