Ok so when I turn on my AC sometimes it wont kick on no matter what level I put it on. If I reach under and tap the underside of the blower motor it kicks on. But as I drive down the road if I have it on high it will slowly decrease down to "low" speed. Tap the blower again and its good again, for another 50 miles. Does this point to a loose ground? I checked the connection and it seemed okay but Im far from an electrical guru. Any help is appreciated!

Oh yeah also, I can hit the snowflake button and kick on my compressor even if my AC is turned off. And sometimes when I turn my AC off, the little yellow light stays on and I can hear the compressor kicking off and on. Any ideas what could be going on here? Maybe the head unit is going haywire?

 

bump, still has me puzzled.

 

Interested in this as well....I'm driving my buddies '07 and it's doing the exact same thing. I'm thinking something is wrong in the control head.

 

Change the blower motor its about a hundred dollars, but only 3 bolts and a connector. It fixed mine, been good every since mine is an 05 and i had to change it this spring.