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Old 01-10-2005, 06:01 PM
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Question 380sl auxiliary fan always on?

On my 1984 380sl the auxiliary fan is always on. If i disconnect the single wire from the fan switch at the thermostat housing the fan will go off. What is this telling me and what is the proper fix.

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Old 01-11-2005, 08:02 AM
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Wink

That switch makes a ground & turns the aux fan relay on at 212F (100C). Only then should the fan be on.

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