If you have already checked fuse 6, have you checked that there is power from fuse 6 to the climate control head on pin 2 of manual system, or pin 8 for automatic. Also need to verify ground at the heads as well, manual system pins 1 and 3, automatic pins 2 and 7. At that point, it would be advised to first check for trouble codes, and you may be looking at replacing the control head.
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Monday, December 19th, 2011 AT 12:36 AM