AC problem
1. Dirty controller contacts
http://forums.corvetteforum.com/show....php?t=1519199
http://web.archive.org/web/200402160...=118&TopicID=2
http://web.archive.org/web/200402152...D=92&TopicID=2
2. A loose connection/wire/ground in the fan circuit
Did you check for any codes?
http://www.idavette.net/tech/c4diag.htm










