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  #1  
Old 02-25-2018, 05:54 PM
whitebird whitebird is offline
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Default Gas Gauge

I got a good amount of water in my trunk last fall. After i cleaned it out I found the gas gauge not working. Could the water have shorted out something?
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Old 02-25-2018, 07:56 PM
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Yes. More likely, the rust would cause rust which insulates rather than causing a short circuit. Does your gauge read, full scale all the time?
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Old 02-26-2018, 04:30 PM
whitebird whitebird is offline
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No, it doesn't register at all. Stays on empty and doesn't move. The gas tank is full however.
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Old 02-26-2018, 05:22 PM
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Take the wire off the sender and ground the wire (yellow-white) to the body of the car and turn the key on. If the gauge goes all the way to full then the problem is either the sender or your tank is not grounded. If the gauge doesn't move then either the gauge, the CVR or the wiring is bad.

John
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Last edited by jopizz : 02-26-2018 at 05:51 PM.
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Old 02-27-2018, 01:02 AM
bird 60 bird 60 is offline
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Sorry to intrude, but I have a similar problem. When I turn the ignition on, the needle moves about 1/8th of an inch. I could be driving for a few days & stays the same. Then bingo, it's working fine. I did the test that you suggested John, & when turning the ignition on, it showed full. Could I have an Earth problem, or the Fuel Sender sticking.

Thank you.

Chris....From OZ
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Old 02-27-2018, 02:46 AM
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The sending unit rarely 'heals' itself. More likely you have a ground issue. I suggest you follow Marcelo's solution. He used stainless screws (but brass will work as well) to do the following...
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File Type: jpg IMG_2959.jpg (81.6 KB, 81 views)
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Old 02-27-2018, 04:19 AM
bird 60 bird 60 is offline
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Thanks Dave. I'll have it looked at first chance I get. Will give report when done.

Chris....From OZ.
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Old 03-11-2018, 08:22 PM
65memphisbird 65memphisbird is offline
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Default Gage issue

Quote:
Originally Posted by jopizz View Post
Take the wire off the sender and ground the wire (yellow-white) to the body of the car and turn the key on. If the gauge goes all the way to full then the problem is either the sender or your tank is not grounded. If the gauge doesn't move then either the gauge, the CVR or the wiring is bad.

John
I have the same exact issue on my 1965 Bird. Two wire sending unit is new, tank looks very new also. I ground the Yellow wire and Gage reads full. So my question is, what is the best way to ground the tank?? I am new to this so please explain..
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Old 03-11-2018, 08:29 PM
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The best way to ground the tank is to connect a wire directly from the tank to the frame of the car. It doesn't matter where on the tank you connect the wire to. You can also put a ground wire on the sender. It has to be securely bolted to a clean spot on the frame or undercarriage.

John
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Old 03-11-2018, 10:26 PM
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Default Gas Gauge

Just make sure that when you drill a hole in the gas tank, that you are not actually drilling into the tank itself..... On our Squarebird tanks there is a flange around the tank. According to what I see, the Flairbird gas tank should also have a similar metal flange around the tank. A good place to drill a hole to ground it... Here is a pic of the 1964-1966 Flairbird gas tank.
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