[T3] Fuel Gauge Grounding Solution
Bryan Peters
bavapeters at comcast.net
Thu Jan 26 13:04:06 PST 2023
Can we see a picture of the connection you make?
Sent from my iPhone
> On Jan 26, 2023, at 9:20 AM, Jim Adney <jadney at vwtype3.org> wrote:
>
> Over the years, many people, including myself, have noticed problems with
> odd behavior of the gas gauge, especially with the key off and the E-flashers
> working. It was pretty clear to me that this was a grounding problem, but I'd
> never managed to figure out a solution.
>
> The problem is that the fuel gauge cluster depends on it's spring retaining
> clips to make a good ground to the backside of the dash. Over time, as the
> plastic dash pad shrinks, this connection becomes poor or nonexistant. VW
> should have fixed this in '69, when they added grounds to everything else,
> but they didn't.
>
> I finally got around to looking at this situation and I see that I can add a
> ground wire to the bulb socket that snaps onto the back of the fuel gauge.
> Connecting the other end of that wire to a good ground will solve this
> problem.
>
> This is an easy solution for '69-on Type 3s, where there are good ground
> connections readily available under the dash. It, or something similar, should
> work for earlier cars, but might require some modifying/innovation.
>
> If you have good soldering skills, I can send you the wire and connector that
> you can solder in yourself, for $5.
>
> If you prefer to mail me your bulb holder, I can add the wire and do the
> soldering for $10.
>
> Postage increases those prices to $10 and $15, respectively, so the best
> thing to do, as always, would be to combine these purchases with something
> else you need me to do, so they can all ship together.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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