Re: [Amc-list] Temp Sending Unit

["Ross Guistino" <rossg@xxxxxxxxx>]

Thanks to all who responded, very much appreciated.  Obviously I'm not an
electrician otherwise I would have thought of this very simple test to
ground out the gauge to see if it reacts.  I'll work on this problem some
more to see if I can determine if it is the gauge or the wiring.

Ross Guistino

On Wed, March 28, 2007 12:09 pm, Tom Jennings wrote:
> On Sat, 24 Mar 2007, Ross Guistino wrote:
>
>> I've got a '73 Gremlin with a 304 that has a non-functioning temp.
>> guage.
>> I have replaced the temp sending unit and cleaned the contacts in the
>> wire
>> leading from the unit to the firewall.  What else can I do to test or
>> repair the guage?
>
> Simple test: If you GROUND the wire that goes to the sensor, the
> gauge should run to maximum hot. It takes a good 30 sec to do so.
>
> If it doesnt, either the wire doesnt reach the gauge, the
> gauge is shot, or whatever.
>
> if the gas gauge works at all, then the voltage regulator,
> which is contained in the temp gauge, works.
>
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