>The regulator is small, about 1/4 the size of a small match box, and is
>usually located on the metal bracket that supports the dash. Get a wiring
>diagram and make sure the voltage regulator is hooked up properly with the
>output going to the temp and fuel guage. If you have access to a
>voltmeter, check to make sure the output is around 10 V. Let me know if
t>his solves the problem. It wouldn't be the first time.
Keep in mind that early cars (at least through SII) did not have the regulators, and the gauges are designed to use staright battery voltage for power.
Jarrid Gross