Thanks for your reply, Tim!! Very helpful explanation, and you are right, rather silly design. I'll probably disconnect the cable this weekend.

Thanks again!

OK, looking closer I can see the blue power connector for the actuator itself. Can't seem to locate the release tab to get it off! Also still not clear why removing the larger white connector doesn't disable functionality, since it feeds power to the actuator. Another question: if it's just left to ...

What a great forum! Found it after searching for the clicking noise. Excellent instructions! I don't have time to do a complete repair for awhile, so I am wondering -- Is there a way to disconnect it such that it stays in the fresh air mode? I rarely use recirc anyway. Just as a test, I unplugged th...