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Re: [T3] Starter: part 2


The extra relay will often remove the symptoms, whether it's caused by bad
contacts in the ignition circuit or dirty motor or corroded braid between
solenoid and motor - on my 6V starter that was just dust!  I had a flying lead
and an insulated battery lead behind my seat so I could just touch them if it
wouldn't turn over!

Under the seat (on RHD anyway - not sure on LHD) or by the battery there is a
connector in the red solenoid wire - just break the circuit there, put the
ignition wire onto the relay coil, earth the relay, and put battery + to one
contact connection and the solenoid wire to the other.  Easy to do, and as was
said, it saves wear on the ignition switch - well-worth doing at this stage in
its life.

Dave.
UK VW Type 3 & 4 Club
http://www.hallvw.clara.co.uk/
------
----- Original Message ----- 
From: "Chris Wright" <Christopher.Wright@Sun.COM>
To: <type3@vwtype3.org>
Sent: Thursday, June 29, 2006 8:12 AM
Subject: Re: [T3] Starter: part 2


> A good solenoid should work on 11.5 volts.  However, many owners
> (including me) have wired the ignition switch back to a relay which when
> picked, supplies the full battery voltage onto the solenoid.  This has
> the advantage of making the ign switch handle only a few milliamps and
> therefore it lasts a lot longer.  In the meantime, you should clean up
> every spade connector on the ign switch circuit to minimise the voltage
> drop.  If you have a 1 volt drop when the solenoid isn't actually taking
> any current, then you can bet it drops further under a 30 amp load.  Us
> '6 volters'  have to contend with volts drops all the time, but the same
> rules apply to you 'modern' types.
>
> The relay I used was an old headlight relay with the contacts slightly
> modified and at first I mounted it under the car on a bracket on the
> starter bolt, but it soon got moisture in, in spite of sealing with
> silicon, so in the end I wired it inside the car down by the battery
> under the seat.  It's worked fine for the last 3 years.  For 12volts,
> there are plenty of 30amp accessory relays available very cheaply.
> Rgds Chris
>

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