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190E 2.6 Auxiliary Fan Not Working
Hello Everyone,
I own a 1992 190E 2.6. The auxiliary fans don't seem to be kicking on when the car runs hot. However, I ran a wire from each fan directly to the battery and both fans turn on, so I know the fans work. The temperature switch is new. Anything else that I can troubleshoot? Any help would be appreciated! -D Last edited by higher planes; 06-08-2008 at 03:35 PM. |
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Year?
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A Dalton |
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Sorry, 1992.
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Key ON
Pull plug off 2 wire blu sensor... Does high fan come ON???
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A Dalton |
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Quote:
Can you be a little bit more specific? I apologize, I am not very familiar with this engine. Not sure what you mean by pull plug off 2 wire blue sensor?? |
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Quote:
http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=2AO123CS42E00Y7KRH&year=1992&make=MB&model=190-E-005&category=R&part=A%2FC+ACC+Temp+Sensor&appEngines=_any Unplug the sensor..does the fan come ON ????
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A Dalton |
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with ignition on, fan does NOT come on when I unplug the sensor.
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OK
Behind the fuse box are some relays ..look at the fuse on top of this one http://catalog.worldpac.com/mercedesshop/sophio/image.jsp?title=Relay&url=http%3A//img.eautopartscatalog.com/live/P202070194OES.JPG
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A Dalton |
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There are two relay switches made out of aluminum on top of the fuse box. There is space for three, but the right-most relay is missing! could this be the one you're talking about?
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have a fuse on top??????????
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A Dalton |
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No fuses, just a bare, square metal relay switch
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You looking behind the fuse box???
You have to take a few screws out to get ther cover off.. Forget that for now.. On the a/c drier , next to the radiator, there is a sw with 2 wire pigtail lead ..jumper them together at the end of the pigtail connectors with the key On..do you have low Fan????
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A Dalton |
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The fuse box cover attaches with a clamp. I looked around and could not find a cover with two screws!
Also, I tired jumping the two pigtail leads on the ac drier with the ignition on but the fans don't come on. That's assuming I did it right. I have very little experience with the 190e's |
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This the sensor you jumpered?
http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=2AO123CS42E016GO8T&year=1992&make=MB&model=190-E-005&category=R&part=A%2FC+Temp.+Switch
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A Dalton |
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That's it! It's attached to the a/c drier.
NOTE- Let's back up. Originally when you told me to unplug the blue sensor, I unplugged the wrong one. I located the right sensor and the FAN (the one on the left) TURNS ON However, it still doesn't kick on when the car hits 100 degrees Last edited by higher planes; 06-08-2008 at 08:09 PM. |
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