Question about instrument voltage regulator

One of the other problems with those gauge clusters are the grounds. There are a few screws that hold the circuit board onto the back of the gauge cluster and over time the copper gets corroded, you should remove the gauge cluster and clean those grounds. You can give us a call at (661) 259-8891 and I can tell you exactly how to test everything before you put it back in the car.

Shannon www.redlinegaugeworks.com