Fuse keeps blowing and truck wont start :( - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars

bashf250 · 09-10-2010, 14:24

my truck had been sittin for a bit. now im tryin to get it back on and when i put the ignition on fuse number 7 in the power distribution box keeps blowing??? i dunno why if you have any idea why it could be doin that, please let me know???

**Bert** · 09-10-2010, 15:07

That's a red/yellow wire going to the several engine controls. It also goes to the transmission. There's probably a wire shorted to ground on the engine harness somewhere.

bashf250 · 09-10-2010, 18:09

okay i will take a look at it! thats why it keeps blowing the fuse??

bashf250 · 09-10-2010, 18:39

ive taken a look at it all wires seem to be fine.

**Bert** · 09-10-2010, 19:46

The harness can get rubbed through and it's hard to see without moving it around to look. It runs a lot of component, even the O2 sensor heaters. If you don't have a diagram, you could go to Autozone to get possible one and unplug everything that it shows on the engine, Then start plugging them back in until it shorts again and that would be the component that's shorted. I'd bet it's the harness though.