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Old 07-12-2002, 12:46 AM
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Mike Murrell Mike Murrell is offline
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Join Date: Feb 2000
Posts: 2,357

According to an old post here, there are actually THREE coolant temp sensors. I believe the one that JimF circled above in the photo is for controlling aux. fans. Please see the following thread:

1986 300E coolant temp. sensor!
Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
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