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Old 06-29-2010, 09:50 PM
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Join Date: Apr 2006
Posts: 15
W210 AC High/Low Switch

Hello all. Does anyone know how to test the ac high/low switch? To be clear this is the switch on the receiver dryer with 3 spades. I think mine is bad as my fans are not coming on when the ac is on....but the fans do work when I put 12v directly to the fans. Thanks in advance.
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Old 06-30-2010, 08:26 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
You can easily see the actual value that sensor is sending to the a/c pushbutton.

Try searching for how to read those actual values or send me a e-mail & I will supply that info to you.
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