Originally Posted by Fluffy
the battery is brand new and its to big for the truck. my next step is a larger alt. and then adding another battery.
That's how come the draw. Yer killin' your alternator.
But like you I thought that there are rebuild kits that allowed you to step up the output too.
You can do the job yourself if you learn how to stow the brushes and snap 'em in place once you close the housing. That's about the only trick to rebuilding an alternator.