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| | | Forums66 Topics128,034 Posts1,055,548 Members48,425 | | Most Online14,466 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Nov 2005 Posts: 206 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 206 | I've had my 58 step side 15 years and put about 200 miles a yr on it. It has all original parts and a 235 engine. The temp gauge has always worked fine. Past weekend the needle was completely off gauge to low temp side until truck warmed up to 190 degrees ( tested with temp tool) and the needle only registered about 1/4 of gauge up. Usually at 190 it would be just pat 1/2 on gauge. What gives. Any advice? Thanks I'm learning as I find issues to fix. | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | sender's going bad, cheap enuff, just replace it
Bill
| | | | | Joined: May 2005 Posts: 1,624 Shop Shark | | Shop Shark Joined: May 2005 Posts: 1,624 | Flexible is most likely correct but I like to know for sure before spending hard earned dollars. Test: Remove temp sender wire and leave loose. Turn key to run (no need to start). Gauge will go full hot or full cold. Key off, ground sender wire to good ground, key to run. Gauge will go to opposite peg. If this happens, do as Bill suggest, your sender is bad.
Six volt guy living in a twelve volt world
| | | | | Joined: Nov 2005 Posts: 206 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 206 | Thanks guys. Should I disconnect wire at sender unit on head or at gauge ?
| | | | | Joined: May 2005 Posts: 1,624 Shop Shark | | Shop Shark Joined: May 2005 Posts: 1,624 | Start at sender. If the test fails, repeat test at gauge to test sender wire.
Six volt guy living in a twelve volt world
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