Fuel gauge problems
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4th Gear
Joined: Nov 2019
Posts: 4
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Fuel gauge problems
I’m having troubles with my fuel grade on my 79 f150. I pulled the wire connector off of the sending unit and basically shorted the connector. This made the garage move so I figured the unit was bad. I bought a new unit and installed it. It was working fine and now it’s not again. Did the shorting test and it worked but when is all hooked up, the garage doesn’t move. Oh yeah the tank is at least half full. Any advice would be greatly appreciated.
Logistics Pro
Joined: Jul 2005
Posts: 4,217
Likes: 154
Is it just one wire to the sender? If so, then it has to be positive. That means that if your tank isn't grounded to the chassis, (because of insulated straps) that the sender won't work. Just a shot-in-the-dark theory.
Any anomalies from your Temp and Oil gauges?
Any anomalies from your Temp and Oil gauges?
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