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Old 10-20-2015, 12:52 PM
mikels mikels is offline
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Quote:
Originally Posted by parsonsj View Post
Except for GMPP controllers. GM deliberately disabled the PWM fan control logic (along with AC pressure sensor input and reverse lockout, and who knows what else) to reduce warranty issues.
Not true - it's in there. Main change was to make controller incompatable to use (with GMPP software) in a production vehicle - so you can't defeat theft systems.

Dave
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