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Old 10-20-2001, 11:25 PM
Registered User
Join Date: Oct 2001
Location: Newton, MS
Posts: 123
Question Mystery heater

I get no heat by turning the wheel, but if I push the right two buttons at the same time, there is plenty of heat at the defroster outlets. One of the buttons has to be the defroster. The air flow does change so I guess there are some flappers that are working.

I don't feel any heat at the center vents.

These is a new to me, 86 300 SDL.

Thanks for any help, I have searched and read many posts on heater problems but I could not match them to my problem.

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Old 10-21-2001, 08:51 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
It sounds as if the push button controller is acting up. You may have to replace it so solve the problem.
Donnie Drummonds
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Old 10-22-2001, 12:12 AM
300EVIL's Avatar
Moderator Incarnate
Join Date: Apr 2000
Location: Lake Geneva, WI.
Posts: 1,676
Try resolidering the circuit board in the climate control unit. This solved a simalar problem that i had. a solidering iron and solider is all you need compared to $350+ for a new climate control unit.
hope this helps!
good luck,
Current Stable:
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