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Mod | | | Forums66 Topics128,080 Posts1,055,953 Members48,430 | | 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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| | | | Joined: Oct 2001 Posts: 428 Shop Shark | | Shop Shark Joined: Oct 2001 Posts: 428 | Hoping you guys can give me some directions on how to test the fuel gauge and sending unit to see which one is not working on my truck. It is a 1970 C10. I replaced the fuel tank and the sending unit back in 2007 and the gauge has been working until recently but now it reads empty all the time. I removed the tank yesterday in order to do some work inside the cab and when I disconnected the wire to the sending unit the fuel gauge needle went way past full but when the wire was reconnected to the sending unit the fuel gauge needle went back to empty again. Don't know if any of that means anything but figured I would toss it in here anyway. Any info on testing procedures is greatly appreciated. | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | pull the sender and see if the float is full of fuel and permanently sunk or come off - it can be checked by using an ohmeter hooked between the terminal and the mount plate while running it up and down
Bill | | |
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