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. > > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list > > _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list