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Old 03-25-2002, 01:38 PM
Posts: n/a
aux fan / temp gauge

looks to me like the sensor for the aux fan (at high temp, normally 110 deg C as stamped on the copper part of casing), switches a relay that lets the aux fan kicks in + the temp gauge's output (single pin on the device).

I'm basing this on what I have on my W124 200E 4 102 engine ...
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