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Old 03-04-2008, 03:29 PM
donbryce donbryce is offline
MB, love..hate..love..
 
Join Date: Apr 2003
Location: NB Canada
Posts: 1,173
Time to re-solder/reheat the control box PCB joints. Do a search to find the details. There are test procedures to pin-point the cause, ie. ruling out the actuator, the speed signal sensor, vacuum, wiring, etc., all found in the shop manual, but it would seem from the number of posts here on this subject, the solder joints in control box are usually the problem, from the symptoms given.

I did mine twice. First time, I got 1 1/2 seasons before it started acting up again. Second time, 2 seasons, and maybe this one coming up too.....of course, you can get a rebuilt one for under $200.00, or try your luck with a junk yard donor....
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