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Re: [T3]

On 6 Jul 2005 at 8:22, Matthew Jones wrote:

> > The latter connection is the one that feeds the fuel pump
> > relay. Make sure that the connector is actually mated properly.
> > I've seen them where they were inserted without actually mating.
> It's been OK for years but I will certainly check it anyway.
> They guy who's done all our welding has a self confessed "magic
> touch" which can make electrics fail at 20 paces.

This is mostly a problem with such connectors which have been opened and then 
reconnected hastily. If it's never been touched, it's probably fine.

> > I recommend a much simpler setup which uses a momentary SPST
> > pushbutton that bypasses the relay entirely.
> > <snip>
> > There's a hazard in using a switch like yours: You're likely
> > to forget and leave it on sometime, and regret it later.
> I agree it a tad risky, but once the engine stops I'll hear the
> pump running on and remember to switch it off. Until the problem
> is truly fixed I need the security of a locking switch to get
> me home if it happens on the road.

The pump doesn't always make enough noise to get your attention. 

Years ago I had a co-worker who was fighting an electric FP problem in his 
Rabbit. I was trying to help him sort it out, but he insisted that he needed a 
solution that he could count on to "always work 100%." He installed a positive 
switch like yours and gloated about how his solution was much better than what 
I had proposed because it was guaranteed not to fail.

Within a week, he missed another day of work because his battery went dead 
overnight after forgetting to turn the switch off the night before. I'm sure 
you can imagine how pissed he was.

It wasn't until a few years later that I learned about the Rabbit recall that 
actually fixed the problem, but by that time he had sold the car and moved out 
of town. Still, I fixed a lot of those cars once VW figured out what the 
problem was. I'm sure Russ remembers that problem and its solution.  ;-)

Jim Adney
Madison, WI 53711-3054

List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org

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