Yes, a Voltmeter is a good thing!
Lots of ways to skin that cat…. From the AutoZone cigarette lighter to many more options!
At night, you notice immediately… “Damn…. My lights are BRIGHT!!!”
Anyway, get a solid state VR (and a spare) and don’t look back.
If you’re serious about an original look, just swap the sheet metal covers!
Rocky
PS…. Roland - you’re out of gas!!!