You're working on a 6 year old thread here. At least the advice given in 2004 has helped you get your A/C working again.

 

Keep the thread alive ..And yes the pcm reset works .Had to do it on my 95z28 but i found the trick when i had to put in a new battery and afterwords the ac worked again ..I just wonder how many people are roasting out there the do not know this..