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VanagonEuroVan
Subject:Re: What is the wire path for the tach signal?
From:Ben T
Date:Sat, 25 Feb 2012 17:26:51 -0800

Saw a couple homeless guys using a pair green wires as shoe laces.;-)

BenT

sent from my electronic leash

On Feb 25, 2012, at 4:43 PM, Robert Fisher <garciasghostvw@GMAIL.COM> wrote:

> Thanks, Mark.
> I gathered that was where it started- does it go straight through to the
> tach, or are there connections upstream? It's connected at the coil... I
> suppose the law of simplicity would demand I check the actual wire end
> first, since that's what I moved/touched. It _looked_ fine, and I didn't
> subject it to any trauma, but who knows?
> 
> On Sat, Feb 25, 2012 at 4:28 PM, mark drillock <mdrillock@cox.net> wrote:
> 
>> At the coil, there is a white plastic dual wire connector with 2 green
>> wires. One of those green wires goes to the tach. The other green wire
>> comes from the ECU where the ECU provides it ground pulses to fire the
>> coil. That side of the coil has 2 male spades tied together on the threaded
>> stud they are mounted to. The 2 pin connector plugs onto the 2 male spades.
>> 
>> Mark
>> 
>> 
>> 
>> Robert Fisher wrote:
>> 
>>> This is for the '87 2.1 Auto: Replaced the coil, finally got the van
>>> running again (long story, of course) but now the tach is dead. I read
>>> through the archives and looked at the wiring diagram in the Bentley but
>>> it's not clear to me. I haven't driven the van much since I got it running
>>> but I noticed a "power drop out" or hiccup in the engine that makes me
>>> think of the description several people have given for Vanagon Syndrome,
>>> like a heart skipping a beat. The Hall sensor tested out okay but I'm not
>>> convinced that I don't have another problem other than the coil, or maybe
>>> the same intermittant problem I had before.
>>> 
>>> ...............
>>> 
>> 
> 
> 
> --
> Cya,
> Robert
> 
> '87 & '86 2.1/Auto GLs

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