64 valiant gauge problems

grumpuscreature said
No fuel + no temp = bad cluster limiter. ...

These early cars had the limiter built into the fuel gauge, which has three terminals. The fuel gauge has

12v switched power INTO the gauge housing which feeds the limiter, and then the limiter feeds the fuel gauge internally as well as..............

a second terminal on the gauge which feeds limiter power OUT to the temp gauge

and last a third terminal which connects the fuel gauge to it's sender