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post #4 of (permalink) Old 05-21-2013, 04:01 PM
BenzWorld Member
Date registered: Aug 2012
Vehicle: 1991 190e 2.3
Location: Houston, TX
Posts: 344
Mentioned: 0 Post(s)
Quoted: 8 Post(s)
I don't know if you have a 2.3 or a 2.6.

On my 91 2.3 there are 3 temp sensors on the top front. One goes to the CIS, another to the electric fan, and the last to the mechanical fan. I don't remember which is which but it should be easy enough to trace the wires.
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