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Subject:Re: 6V to 12V gauge again!
Date:Fri, 16 Sep 94 10:23:48 bst

>Bradley M writes that he converted his 6V bus to 12V,
>but didn't change the Fuel Gauge or Sender unit and
>it work fine (I assume that also means it reads correct).
>
>Can anyone else tell a similar tale ? I'd like some more
>feedback before frying my Gauge and Sender.

Yeah. That little box thing on the back of the gauge contains a Zenner diode 
and a bulb (Honest!, I opened one up to find out how it worked). This 
regulates the voltage to 5 volts so it doesn't matter if you put 6 or 12 
volts through it, the gauge still only sees 5.

Andy E.

A.C.Erskine@lut.ac.uk