At 12:51 AM 6/27/2012, Jeff Palmer wrote:
>85 Westfalia GL with temp and gas gauges reading low.  Thought I'd
>try replacing the voltage stabilizer (part number

Have you checked the gauge voltage and panel ground?  Swapping out
the regulator is an expensive way to do that.

Check for 10.0 +/- 0.5 volts between ground pin (the skinny one) on
temp gauge and whichever of the other ones reads higher.  If low,
check for ~0 V between temp gauge ground pin and chassis ground, and
system voltage on one of the outer pins of the voltage regulator (the
other one should be +10).  If your ground and supply are good but the
regulator output is bad, then it's time to change the regulator.

Yours,
David