Erratic Volt Meter After Changing Alternator 1988 1998 Chevrolet Pickup
Chosen Solution On my 97 K1500 5.7 I changed my alternator after the old one died. When I replaced it with a new 110Amp my v olt meter in the car bounces from 12 to over 16V while driving and sometimes while idling after it becomes erratic. The lights (headlights, overheads, dash, tail lights, blinkers) all flash from dim to bright. I have 2 600W amplifiers for my speakers and subs....