[TR] Fuel gauge troubles

[Randall]

> The polarity change should not have mattered but grounding  for the sending unit 
> and the gauge are vital.  

Unlike TR2-3, the TR4 gauge does not need to be grounded.

> Farther on, Barney has some good info and test procedures on his MGA GURU web 
> site: http://mgaguru.com/mgtech/electric/electr_1.htm

TR2-3 gauge works the same as MGA, but TR4 is completely different inside.  I fear that trying to use the MGA sequence will just confuse the issue.

-- Randall

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