Update.
The battery ground was loose, that’s why I didn’t have power.
I swapped bulbs and still popped the fuse.
I checked resistance and found the red/white wire has .239 resistance and the red/yellow has .493 resistance.
Installed a 20 amp fuse and it did not blow. I‘m using LED...
If you are worried about break-ins, order a commercial (not Home Depot) steel door that is reverse hung, swings out instead of in. Much much harder to kick in. You will also need security hinges.
Good luck with your shop.
LED headlights lights. I have a cheap reverse polarity headlight wiring harness that I temporarily installed and the fuse still blew. I thought a bad ground would cause a fuse to blow…I need more learning 😳
I have had a lot of wiring work done on the truck (out of state), speedhut gauges and...
When I activate the high beams the left headlight fuse blows. Low beams are normal and all other lights and electronics function as they should AFAIK.
I have removed the instrument panel and located the common ground which seems to be the source of a lot of electrical gremlins. I don’t see...