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