My 1984 f250 is having serious issues,
Everytime I connect the negative battery terminal it sparks and tries to slowly turn the engine over.
I have no power to the dash at all.

I have replaced the
*Batteries,
*Fender mounted starter relay, the
*Column mounted Ignition switch and
have checked out all the under the dash *fuses.

It has a push button glow plug that was done before I got the truck.
I have very little wiring experience and this is kicking my butt.

Could it be the starter mounted solinoid?
The grounds look fine but I have no idea what all the wires are just floating in the engine bay.

Any help is seriously appreciated!