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RE: Fuel gauge trouble

To: "Triumph List" <triumphs@Autox.Team.Net>
Subject: RE: Fuel gauge trouble
Date: Tue, 9 Nov 2004 20:12:28 -0800
> The fuel gauge on my TR6 has just started to read
> about 1/4 lower than it's supposed to throughout the
> range.  A full tank reads 3/4, half a tank will
> register as 1/4, etc.
>
> Any ideas as to what's wrong?  A grounding issue
> perhaps?

I think more likely you're looking for a bad connection or damaged wire
somewhere between the gauge and the fuel tank sender.  Could possibly be a
bad ground at the sender, or a bad connection between the gauge and the
voltage stabilizer.  But as long as the temp gauge is acting normally, the
stabilizer itself must be supplying the right voltage.

A gradual change might be a bad sender or gauge, but when they fail suddenly
the result is almost always a gauge that always reads empty.

A partially sunk float is a distant possibility also.

If I'm not mistaken, grounding the wire at the sender should result in a
full reading.

Randall




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