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1989 300E problem - Resolution anyone??

Old Mar 22, 2006 | 05:29 AM
  #1  
Intruder71's Avatar
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Joined: Mar 2006
Posts: 5
Default 1989 300E problem - Resolution anyone??

Hey Guys,

So yesterday I get in my Benz and the weirddest thing happened.
My gas, oil, coolant and odometer gauges stop working and my brake lights no longer work!!!! I also have this very faint humming sound that is constantly on except for when I put my signals on!!! My clock and speedometer and all the lights on the dash/cluster still work!!!! [sm=dontgetit.gif]

At first, I thought my alternator or battery were dead!! I came to this quick conclusion because I had this problem with an Accord I once owned. So I tested the alternator by removing the - wire on the battery, but the car kept running. And it is definitely not the battery as the car still runs fine. So I checked all the fuses in the car and they are all in perfect condition.

I then went throught the whole manual and nowhere does it say anything about the faint humming and it said that the battery light should come on if the battery is not being charged. So I am in a little bit of a dilemma and was wondering if anyone had any ideas on what could possibly be wrong.

I contemplated taking it to Benz for a diagnostic, but do I really wanna pay $100 or maybe more for them to tell me that it's something simple like a light bulb or a wire? Not really, so here I am looking for some experts to help a fellow Benz owner out.

Any help would be greatly appreciated.

Cheers,
 
Old Mar 22, 2006 | 08:03 AM
  #2  
sleepwalker's Avatar
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Default RE: 1989 300E problem - Resolution anyone??

fuses are okay?

 
Old Mar 22, 2006 | 08:45 AM
  #3  
Intruder71's Avatar
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Default RE: 1989 300E problem - Resolution anyone??

Hey, yeah... all the fuses are OK. There is only a fuse box under the hood right? I didn't see any other fuse boxes... unless I'm blind which is a possibility!!
 
Old Mar 22, 2006 | 10:51 AM
  #4  
sleepwalker's Avatar
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From: Philippine Islands
Default RE: 1989 300E problem - Resolution anyone??

take it to the workshop.

it may need a new board.
 
Old Mar 25, 2006 | 05:37 PM
  #5  
bazzle's Avatar
Joined: Apr 2005
Posts: 521
From:
Default RE: 1989 300E problem - Resolution anyone??

By the way, dont ever take batt lead off on a later model car with electronic alt reg or computer.

Bazzle
 
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