Posted by super99 on May 06, 2021 at 10:20:25 from (184.20.245.17):
I'm ready to pull what hair I have left out!!! Here is what I checked this morning. #1 I found the manual for my multi meter so I was using it correctly. I checked ohm reading on the fuel guage. It said 157, I checked the old guage and the reading was 117. I clamped the sending unit in the vise and tested it, the numbers changed as I moved the float arm, so the sending unit should be good. The slip on connector on the sending unit wasn't a good fit, so I bent the tangs down a bit so it fits tight on the spade. I connected the wires to the sending unit outside the tank and moved the float arm, nothing. I took both the power and ground wires off and checked them with a test light hooked to a good power source and ground and both wires are good. I grounded the wire from the guage and the needle moved to full from empty. When I put the sending unit in the tank, hook up the wires, turn on the key for power and the needle doesn't move ( it has about 3/4 tank of gas). If I tap on the guage, the needle goes to full and stays there. The sending unit tests good, the wires test good, the guage tests good. Why won't it work???? It's probably something simple that I am missing, but I can't seem to figure out what it is. Any ideas??
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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