Question about 1988 Ford Bronco II
Bronco sat up for a few weeks and then it wouldn't start. It will run as long as I have the key turned to the start position and pump the gas, What is wrong?
Souds like you have no power to the coil when key is on
when you crank the motor you get a boost of 12v from the starter circut thats why it only runs when you hold the ket on start and stops when you ley it go
turn your ignition on and check with a test light if you have power if not check all fuses
you can jump a wire from the + side of the battery to the + side of the coil to keep it running to get you to a garage if you cant find the problem
Posted on Jan 02, 2009
I just picked up a nice B2 that had a similar problem. I have no idea if this will work for you, but here goes... Off the negative battery cable is another small wire. This wire goes directly from the battery to the ECM. Make sure this wire is not broken, and if not, make sure it is securely connected to the negative terminal and not corroded. This is a major oversight when trouble-shooting this problem, and such a simple fix if it is the root cause. Like I said, the bronco I just bought had not run in 4 months, and the guy I bought it from had replaced both fuel pumps, TPS, fuel pump, as well as a few electrical components. When I showed up and saw this wire frayed and shorted, I fixed it, and drove off an hour later with the truck. Good luck!!
Posted on Jan 20, 2009
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