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Old 02-22-2000, 08:19 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The sequence of on-off clicking of the blower switch is a way of diagnosis. The most common problem is the aux water pump.
Also any of the temp sensors that short out will cause this problem. If you time the clicking & have a W201 cd you can see what the car is trying to tell you.
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