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Old 12-12-2002, 01:39 AM
Posts: n/a
I have the same issue with my 1988 300E. I also have a hacked up AC wiring harness though. But the car is at the independent shop now and I should find out what gets replaced to make this incredibly annoying relay clicking go away. I have read posts here that point to a blower regulator relay being a problem. On the E that part sells for 250-300 bucks. I'm betting on the CCU itself though.
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