On Wed, 23 Nov 2011 11:26:55 -0500 "Allan Streib" <str...@cs.indiana.edu>
wrote:

> A couple of odd behaviors have been noticed,
> 
> a) The "reserve" indicator on the fuel gauge glows dimly at all times.
> 
> b) When the door is open, stepping on the brakes cause the warning
>    buzzer to sound.  Activating the turn signals causes the buzzer to
>    sound in time with the signal flashing.  Neither happens when the
>    door is closed.
> 
> c) Opening the front doors does not light the front interior light,
>    though the light works using its switch.
> 
> d) Dash illumination works, but trying to adjust the brightness causes
>    it to go dark.  Fiddling with the brightness control I can get it to
>    light up again.
> 
> I'm thinking a) and b) are signs of bad grounds.  Maybe c) as well.

Yes.


> d) sounds like dirty rheostat, is this something that can be cleaned
> e.g. with DeOxIt?

It's worth a try while you have the instrument cluster out to fix the
grounds. I recall reading that people with W123s typically put a jumper
wire across the rheostat.


Craig

_______________________________________
http://www.okiebenz.com
For new and used parts go to www.okiebenz.com
To search list archives http://www.okiebenz.com/archive/

To Unsubscribe or change delivery options go to:
http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com

Reply via email to