Bronco,

If your truck is the '65 chevy like mine the ammeter is NOT a full flow ammeter. Here is a really good link with diagrams and explanations. http://www.shiftworks.com/flash/amp-gauge.swf I would fuse both wires like they recommend in the link, could save you a fire.


Tom
1965 Chevy C10, 230 straight six, 2WD, 4-speed manual