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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | Jeff,
It does make sense...somewhere along the line I didn't notice your COE was a GMC, my bad! I took the time to reread your post and of course it makes sense now.
I have seen posts here and on the GMC site dealing with the electric temp gauge and senders. They seem to be a tough subject, although they shouldn't be any different than a fuel gauge.
You say it works when a true 6 volts is applied but does not work with the Runtz style reducer...this is weird. My first thought would be to stick a simple, non-solid state (Runtz) volt-a-drop type in there and see what happens. Good luck and let us know if you go up in flames.
Stuart | | |
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