I switched my '59 from generator to alternator, but apparently messed up the wiring harness install. The alternator is putting out a good charge (reads a solid 14) but the battery isn't getting that charge.

Here's a pic of the alternator:
http://i35.photobucket.com/albums/d...20Pickup/20161012_135603_zps70nnntbb.jpg

Can I assume that the heavier gauge red wire coming out of the back (there's also a lighter gauge red wire in the same black nipple) is the power supply? If so, can I just run it directly to the terminal on the starter? (I've got a stomp starter.)

Ideally I'd trace that wire down to find out where it's now going, but it's inside a wrapped bundle, and for now I just need a truck that runs and doesn't strand me when the battery dies, like happened today.

Or am I wrong about that wire and/or where it should go?

A VW guy trying his hand at a '59 LB fs. Lots to learn, but it's about the journey.