Originally Posted by RAD4Runner

Yes, but what continuity? How many ohms? Dead short?
From Paul's schematic below, inspect wire to heater relay pin 5, Taillight control relay pin2, wire to stoplight fuse.
Power line to headlight relay, not shown but most likely connected directly to 80A fuse



Paurl,
What goes below the AM2/30A fuse? Battery?

Originally Posted by Bear1068

I had the same problem it ended up being a short inside the alternator itself

Originally Posted by cskeegan8

Hey all, thanks for your help, turns out it was something shorting out inside the alternator. I swapped the alternator out and now its running great.