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Re: A/C programmer confusion?
There is a potentiometer that gives feedback to that motor control circuit.
Just like the volume control on an old stereo, it gets dirty. On mine, I
took out the programmer and actuated the motor (first unplugging it)
with a 12v battery. This caused the wiper of the pot to clean the dirt
off. Radio Shack sells contact cleaner which works for cleaning up this
dirt. I'd recommend using the contact cleaner and manual actuation together.
Although, I just did the actuations, and it has been fine for 1.5 yrs.
Now if I could just figure out why I get the A/C switching from dash to
defrost/floor vents on it's own schedule. :-(
David A. Kavanagh firstname.lastname@example.org http://homepage.eznet.net/~kavanagh/
The diversity of the phenomena of nature is so great, '67 human
and the treasures hidden in the heavens so rich, precisely '79 VW Scirocco
in order that the human mind shall never be lacking '81 VW Scirocco
in refreshment. - Johannes Kepler '87 Audi 5000CSTQ