Instrument Cluster Guru Wanted - 95 S6

[Huw Powell]

> I'm interested in learning more about the weak points in the instrument
> cluster.

1. It was made by VAG.

> I replaced my ignition switch two weeks ago and now have the following
> issues (no problems prior to IS replacement) with my 1995 S6 avant:
> 
> 1. Temp gauge is dead

Bad sender, or contact?

> 2. Tach is dead

Ditto

> 3. Brake pad warning light on autocheck flashes

Ditto - well that says probably bad contacts...

> 4. Oil warning light on autocheck flashes

See above.

> While several listers responded to my initial queries regarding this problem
> with, "are the plugs connected correctly?" I can ensure you that, yes they
> are, and checking those connections was my first action when the troubles
> showed up.

Well, yeah, they are color coded, and usually impossible to hook up wrong.

> Any BTDT on fixing this stuff? Is the problem that my replacement of the I
> Switch damaged the connections in the secondary PCB? Or should I look to the
> wiring that connects to the Instrument Cluster as the problem?

Wow, that question bllows my mind, sorry, can't help.  I like "hook up 
battery to starter.  Adjust carb.  Make it run!"  But that's a different 
world...

> I've yet to tear the cluster apart and even check out the secondary PCB, but
> perhaps I need to?

Maybe, in this computer world, pull codes and reset them?

> Electronics are new to me

Me too.

V=IR
P=IV^2

That's all I know, and it goes a long way, but apparently, not far enough.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/