No, after 1964 the stabiliser arrived and remained to the end of production.
The 'stabiliser' actually switches 12v on and off once or twice a second,
averaging about 10v. If your stabiliser is switching much slower than this
(check with a voltmeter) that could be the cause of the erratic gauge.
However the stabiliser also supplied the temp gauge (and the oil for 67
only) so if these are OK it must be the fuel gauge connects or sender.
Likewise if it is stable while stationary and only erratic when moving that
points to a bad connection or bad sender. The sender also needs a good
ground connection (shared with the pump and some rear lights in the
boot/trunk). Don't imagine a replacement sender will last anywhere as long
as the original, after replacing both mine some 8 and 4 years ago I had to
replace them again last year.
----- Original Message -----
From: "Bill & Penny" <wcameyer@msn.com>
To: "The MG List" <mgs@autox.team.net>
Sent: Saturday, August 24, 2002 6:48 PM
Subject: Fuel Gauge
> My fuel gauge on my '67B is acting quite erratically. I have cleaned
> connections, etc. The sending unit could be the culprit, but as it is
only
> about a year and a half old, I'm leaning towards the volyage stabilizer or
> possibly the gauge itself.
>
> 1. How do I determine what is at fault?
>
> 2. If it is the stabilizer, could I just remove the stabilizer and
install a
> later gauge, which I have on hand? As I read the schematics, it looks as
> though the stabilizer was discontinued at some point.
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