I parked my 86 F150 (302), the engine was running and before I had a chance to turn the ignition off, the truck turned itself off? Key still in, and in run position. Now I have no electrical at all, just as if the battery has been removed, but I tested the battery and it is good. Everything seems okay and connected under the hood and I can't find any blown fuses.

The only work I have had done in the last while was about 6 months ago the starter solinoid on the fender stuck on and cranked the motor until the battery died. I had that replaced as well as an overworked starter.

Any pointers as where I should start looking?

thanks.

 

Follow the ground wire down to the block and frame to see if it finally corroded through.

Welcome aboard too.

Adrianspeeder