[T3] Fuel gauge issues (jumpy needle)

[Dave Hall]

I think a club member drilled a hole and fitted a wire between the end of
the resistance wire inside and the sender terminal outside to get round
corrosion in the terminal itself. Whether there is any other way to improve
the connection there I don't know - I don't think contact cleaner worked,
but I can't recall the full details of what was written. 

Dave
UK VW Type 3&4 Club
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-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
On Behalf Of Jim Adney
Sent: 29 May 2015 19:47
To: type3 at vwtype3.org
Subject: Re: [T3] Fuel gauge issues (jumpy needle)

On 28 May 2015 at 16:00, Jacob Adam Schroeder wrote:

> Also, I saw the fix that somebody shared previously about drilling a 
> hole in the center of the sender.  That was interesting but I'd prefer 
> not to make that mod if I can avoid it.

I'm not familiar with that "fix", and have a hard time imagining what it
might cure. The only thing I could imagine doing on the outside of the
sender would be to add a ground connection, but I've never seen that to be
necessary. (You've already noticed that VDO has a provision there for a
ground lug. That was never used on our cars, but I suspect VDO used that
same casting for lots of makes/models. A ground lug would be necessary on
plastic tanks, but I don't think there were ANY plastic tanks in this era,
so I'm not sure who would have used that lug.)

If they were just running a wire in thru that hole, there are much nicer
ways of fixing that problem, and that's what I do when I rebuild one of
those senders.

--
*******************************
Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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