I'm concidering replacing my harness in my '67 B-body. Added a battery shut-off (friends suggestion & he did it for me), now I feel better about leaving the old car in my attached garage now. The thoughts of all amperage running thru 50+ year wiring & dash AMP gauge gave me concerns.
I would ask questions (and I will) about how any new aftermarket harness will connect to a MOPAR, like do they come with the correct connectors for our ignition swt, steering column, alt, dash gauges ect... Now might be a good time to update the alternator. I would like for my headlights to not dim when I pull up to a stoplight at night. Yeah, another case of the "snowball effect", one change elads to another. Maybe there are even other questions to ask... I would like to hear more myself.
Glad your fire was small