Hello, are you talking about the radiator fan? My wiring info is limited on your model year. I do know on some older GM vehicles, yes, the radiator fan comes on with the ac. Also, If you use a jumper between the A & B terminals, like your checking the codes, again the fan will run. If you unplug the cts, then turn the key on, the fan may run.
Do you have more than one fan? Any codes? You could take the connector loose from the radiator fan, use jumpers from the battery posts for B+ and ground, just to see if the fan will run. Use an inline fuse on the jumper.
Tuesday, July 21st, 2009 AT 2:36 PM