[Shotimes] climate control stuck on high

[David Niemiec]

Joe---

OK, I took the self-test and got the 888, so nothing wrong with the ETAC 
unit.
Checked the fuses, and nothing wrong there.
Guess it's about time to ask for that info on replacing the Blower Speed 
Control Module.

Could you send it to me?

>Dave,
>
>I suspect your Blower Speed Control Module may be faulty.  When this module 
>fails, it can exhibit a number of symptoms, the most
>common of which is that the blower runs at full speed no matter what you 
>set at the ETAC head unit.
>
>When your system blows out of the defrost/panel/floor openings, that 
>indicates the vacuum-operated dampers are working correctly
>under the direction of the ETAC head.  The blend door is another matter.  
>When it fails, the blend door stays where it last was set.
>In my case, that meant full heat.  The diagnosis for blend-door motor 
>failure is an ETAC self-test.
>
>John Vitamvas posted some text and photos on the SHO Forum about his work 
>in repairing Blower Speed Control Modules.  I downloaded
>that info and can pass it along if you wish.  If you can swap modules with 
>a healthy SHO (well, any Taurus LX or Sable LS with
>ETAC), that will help confirm the diagnosis.
>
>Joseph van Oss



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