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HEATER Control PANEL

posted by  wolfclan on  Tue Dec 5 19:57 CST 2006
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last visit: Wed Jul 8 09:25 CST 2009
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I have a 93 850 GLT, the heater blows cold air on the passenger side when the dial is set below the highest setting. It blows hot when on the highest setting. The drivers side works normally. This leads me to believe the thermostat for the right side control is faulty. Is this fixable, replaceable without replacing the whole panel?








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    HEATER Control PANEL

    posted by  Thumbs on  Tue Dec 19 17:26 CST 2006
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    last visit: Sat Oct 11 12:06 CST 2014
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    I had the same problem after acquiring my '93 GLT. I must have been under the dash ten times. Then it dawned on me. I was getting all kinds of fault codes. The previous owner mentioned a new evaporator was installed. I noticed the connectors for the three damper motors were the same. Even the wires were just about the same length.

    It occurred to me the connectors were mixed up during the evaporator procedure.

    A little trial and error with the connectors and suddenly a miracle! All the error codes went away and the air flow problems were cured!

    The mechanic who replaced the evaporator put all three connectors on the wrong motors.

    I hope this info helps.

    - thumbs








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    HEATER Control PANEL

    posted by  someone claiming to be ksg on  Wed Dec 6 03:29 CST 2006 [RELATED]

    If manual heater controls, not ECC, the controls operate flaps via short stiff cables. Something may have broken off or need a little teflon lubricant. You can gently pull the control knobs forward, exposing 2 screws that will let you remove the little subpanel and look in. Be careful, it's easy to break the various plastic parts. May have to remove kick panels on one or both sides to see the cables properly.

    If you have ECC, the flaps are motor-operated and my comments don't apply.







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