Re: SV: What makes the tach tick?

["Steven Toughill" <stoughill@home.com>]

looking at it from the back from left to right.

first pin is ground
second pin not used
third pin is 12 volts FROM THE VOLTAGE STABLIZER very important!!!
fourth pin is negative coil or terminal 1

Steven Toughill
ASE Cert. VW Tech
-----Original Message-----
From: Shawn C Meze <skerocdriver@juno.com>
To: scirocco@mail.bip.net <scirocco@mail.bip.net>
Cc: scirocco-L@scirocco.org <scirocco-L@scirocco.org>
Date: Thursday, June 03, 1999 9:43 AM
Subject: Re: SV: What makes the tach tick?


>
>On Thu, 3 Jun 1999 09:45:34 +0200 "Roland Johansson"
><scirocco@mail.bip.net> writes:
>>Hard wire it in is the easiest part. On the back side of the circuit =
>>board you have three (more actualla but other are of no interest) M4 =
>>bolts coming thrue. Those are power, ground and coil. Connecting the =
>>instrument to power and you should be able to see what bolt is ground, 
>>what is power and the third should be connected to the coil.
>>
>>Roland Johansson, Swedish Viking
>
>
>Actually, no. 
>The VDO tach has 2 M4 bolts for the fuel gauge.
>3 are for the water temp gauge.
>then across the top there is nothing. There is a 4 pin plug on the back
>of the tach. (Only 3 are used) Which pin goes where? Ill take it that
>this is the power, groud and something else for the tach?
>
>
>              Shawn Meze
>86' Jetta GLi           82' Scirocco GTi
>The Fastest, Quickest, Cleanest and
>best looking Scirocco in all of San Diego!
>http://www.Geocities.com/MotorCity/Speedway/1308/index.htm
>
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