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Old 08-30-2001, 11:08 AM
Ken300D Ken300D is offline
Registered Diesel Burner
Join Date: Aug 2001
Location: Northern Virginia
Posts: 2,911
Question Can 123 Climate Control Buttons be Refurbished or Cleaned?

I have intermittant blower activation on an '82 300D climate control. I used to be able to get it to work in Economy mode by repeatedly and randomly pressing the High/Low blower speed buttons, and/or the Off/Economy buttons. Same thing with the normal AC mode.

Now these two modes will not activate the blower, but I can get the blower to activate just fine in Defrost and the next two AC modes just to the right of Defrost.

My question is, would it do any good to try to remove the switch assembly and give it a good cleaning - maybe the switch contacts are accessible for spraying with contact cleaner? Also, could this be a dirty connector?

Anything else to try?

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