The stud 1 in the fuse box is marked auxiliary power
will that power trailer on 2005 Chevrolet Silverado 1500 HD

I'm trying to power my trailer batteries
I have a 1/2 ton if i put a fuse in stud 1
will i have power to my 7 pin?

1 answer
yes you should have pwr to any access that is connected to that pole