[Vwdiesel] Stock Tachometer

[Shawn Wright]

On 17 Oct 2005 at 18:49, Roger Brown <r.c.brown at ieee.org> wrote:

> Rudy wrote:
> > The Tach in my 85 Jetta works intermittently.  Sometimes when I start it it
> > works and sometimes not.  Sometimes it will start working while driving and
> > when I look at it again it's not working.  I've tried turning on and off
> > accessories and it doesn't seem to have any pattern that I can't see.
> >  
> > Anyone had this problem with the stock VW Tach or have any ideas where to
> > start looking for the problem?
> >  
> > Rudy
> 
> Assuming a stock diesel tach, could be a loose "W" terminal connection at the
> alternator or it could be a sign of worn brushes in the alternator.

Mine just did this recently - turned out one of the screws holding the voltage 
regulator/brush assembly had come loose.Shawn Wright
http://zuiko.sls.bc.ca/~swright
'85 Jetta D 
'88 Westy 1.6TD 5 speed
 (see progress at http://members.shaw.ca/vwdiesels)
'82 Diesel Westy