jdear004

I was driving my F150 no problems. When I went to start it this morning, not even the dome light or the radio worked and I load tested the battery at 1000 amps... After a bit of troubleshooting, I found out that I have a major 12V+ line somewhere solidly shorted to the frame. Using a multimeter connected to the "tannish" and black wires grouped together on the solenoid and ground (with nearly 0 resistance) I shook every wire from bumper to bumper I could think of and I couldn't find the shorted wire. I know my fusible links are good as is my inertial fuel pump cut out switch. Has anybody had this problem?

The last thing I can think of to try is unplugging the computer to see if it has an internal short but I'm totally stumped.

Crownman

Did you go through all the fuses?

bobkyle2

Have starter and alt tested

jdear004

I searched high and low for a chafed wire, then I went through the fuse panel. Of all things it was the stupid dome light circuit. My radio and starter solenoid are now blown as was a ton of my time, but the dome light fuse looks great...

I turned the ignition on with the dome light fuse removed, shorted my starter wire to the battery to crank the engine and now my truck is a runner again. I will test the alternator status once the rest of the truck is back together. I really went with the harder not smarter approach on this one but I didn't know the dome light circuit was capable wreaking of such electrical carnage on the rest of the truck.