Instrument cluster voltage regulator, on a 1970 Plymouth Valiant, 340 Duster

4spdragtop said
Dubob has it nailed. The gauge itself has to come out of dash/bezel to work on it. Quite a few steps involved to get to that point.
Good luck.

thank you but since the limiter supplies voltage to the three gauges and only the fuel and temp do not work, do you think its defective/my prob?