battery voltage question

The cigarette lighter is an easy place to tap ACC power. Some Mopars have in-line bullet terminal splitters behind the dash (usually red or orange) that you can easily tap into.

I have the same Vreg as Spunk in my 65 Newport. It is electronic and connects directly if your car had an early round-back alternator (~1970-) w/ 1 field terminal (other one grounded). Only $11 on rockauto.