So when my dash lights come on it drops the volt meter by alot. The brighter I make the dash lights the lower the volts go. Also when the turn signal lights up in the dash it drops the volt meter down to about 10 when it blinks. Same when brake lights light up. Any thoughts as to what is causing this. New alternator also. BTW it's a 79 cj7.
Dash lights making volt meter peg at 0
