What is the best / easiest way to tell whether the gas gauge is kaput - or the sending unit is at fault?

car is a 65. gas gauge pegged at E, all other gauges work properly.

Pull the wire off the sender and briefly ground it (a second or two) with the ignition switch "on", while a helper watches the fuel gauge. If it moves at all, then the problem is likely either a bad sender or a sunk float on an otherwise-good sender assembly.

Float: Ford P/N COAZ-9202-B
Strainer "sock": GM P/N 5651 705
Gasket: Chrysler P/N 6031 475
Sender grounding clip: Chrysler P/N 2258 862

Could also be a bad wire between sender and dash, though.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

Ford seems to have lost their minds on fuel sender floats. One dealer near me wanted $17 another wanted $19.

I found mine at Auto Krafters, P/N 15309, for $6.95/$11 and change with shipping:

http://tinyurl.com/7cpcn6h

My old one is still rattling around in the tank behind the seat where I dropped it along with a fish net I was trying to retrieve it with. One day I'll get time to remove the tank and dump them both out.

Danny

I'm having the same issue with my Vera. Also a 65 with the gas gauge pegged at E.....Now, when you replace the sending unit, does the tank have to come all the way out?

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"Vera" 1965 Dart 270
Because good girls love being dirty!!

It should come out by supporting the body on the rear frame rails and letting the axle drop out of the way.

Not to be a smart a** , so you "saved" how much money? my math has been slipping lately.. but if was for the lack of wanting to 'give' money to FoMoCo, I guess thats ok also...

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MRO....

Cheap, Fast, Reliable.... Pick 2...