Quote Originally Posted by tylerbinski View Post
Do you mean OAT (outside air temp?) that lil temp sensor guy in the front bumper area right?

Just a matter of plugging one in? (I think i have one from my 2002 still somewhere)


and as far as compass goes.. where do i plug that in? or is that part of the onstar **** in the trunk that was ripped out?
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GM called it an Ambient Air Temp sensor. My 04 already had one, but they are $5 or less new from a dealer.

The compass module sits in the rear speaker shelf just to the drivers side of center.