ammeter

Here is the one from my '62; the heavy red (Batt) and black (Alt) wires are connected to the tabs in the firewall with tapping screws with a 1/4" hex head. There is a 3rd position between these 2 that is not used on this base model car; it is for accessories, likely A/C or electric windows or seats on a Polara level car, etc. (Sorry for the sideways pix!)