Where is the ac cycling switch located on a 2001 Oldsmobile Silhouette?

The 2001 Oldsmobile Silhouette doesn't have a separate "AC cycling switch" in the way some older cars did. The AC compressor is controlled electronically by the climate control system. There's no switch to manually cycle it on and off.

If your AC isn't working, the problem isn't a cycling switch, but likely one of these:

* Low refrigerant: This is the most common cause. The system needs to be checked and recharged by a qualified technician.

* Compressor clutch failure: The electromagnetic clutch that engages the compressor might be faulty.

* Blown fuse or relay: Check the owner's manual for the location of relevant fuses and relays related to the AC system.

* Problems with the climate control system itself: This could be a faulty sensor, actuator, or other component within the system's electronic controls.

Instead of looking for a cycling switch, take your Silhouette to a qualified mechanic or auto AC specialist to diagnose the problem.