Heating & Air Controls

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Heating & Air Controls

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Heating & Air Controls - 4/1/2008 9:04:34 AM

93C44FUN

Posts: 19
Joined: 8/7/2006
Status: offline

My 93 C4 convertible has a problem with HVAC controls. After a really hard driving rain about two months ago, the controller for my HVAC stopped working. No functions what so ever so I bought a unit off Ebay and replaced it. Same results, none of the functions work at all. A few days later I started the car, it (the original unit) worked on the way to work and hasn't worked since. I also checked all of the fuses in the compartment on the right side of the dash. Ideas?
Thanks in advance.

Post #: 1

RE: Heating & Air Controls - 4/3/2008 11:23:46 AM

moscooter

Posts: 39
Joined: 12/22/2006
Status: offline

I would think that isolating the (ground) connection for that HVAC controller and hooking it up to a known solid ground connection as a "test" might be helpful. It would at least eliminate a "grounding" problem as your trouble source.

(in reply to 93C44FUN)

Post #: 2