Not sure what you have done on the sending unit, but here is a good write up
on repairing and checking a similar unit for a MGA.
http://mgaguru.com/mgtech/electric/et214.htm
Dallas Congleton
1967 BJ8
1953 MGTD
----- Original Message -----
From: "Jim Parish" <jimp@parishpartners.com>
To: <healeys@autox.team.net>
Sent: Sunday, June 18, 2006 2:42 PM
Subject: Fuel gauge question
> Many thanks for the suggestions on my engine problems for my BJ8. Having
> completed cleaning the float chambers and fuel filters, and ensuring that
> floats and valves work well, I now find my fuel gauge inoperative.
>
> The gauge has evidently been mid-reading for some time. At the last fill
> up,
> the gauge was indicating just below half-full, but it took 9.5 gallons to
> fill the tank so it seems the problem has been around for awhile.
>
> I did remove the sending unit from the gas tank to ensure that it was
> performing well, and cleaned the contacts to ensure a good connection to
> the
> sender wire. When the gauge problem surfaced, I tested the wire and it
> carries a current. I don't know how to test the sending unit.
>
> After cleaning the carbs, I turned the key on. Initially the gauge needle
> flickered strongly two or three times from the far left position to
> perhaps
> mid-dial. Now the needle just moves from the far left position to rest on
> the Empty mark when the key is turned on. The tank is full.
>
> Any suggestions are welcome.
>
> Jim Parish
> Parish Partners, Inc.
> 214-663-6000 mobile
>
> 8904 SE Porter Road
> Vancouver, WA 98664
> 360-828-8270 Washington office
> 503-622-1616 Oregon office
> 503-210-7115 fax
>
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