Get a re-charge kit at Wal-Mart or auto parts - you can jump out pressure switch at top of accumulator/drier with paper clip to start a/c compressor--when pressure builds light should go out
Try reseting the computer. My 92 Deville did that on day and it turned out to be a faulty air compressor drawing to many amps..
A person can reset the air ride suspension on a Cadillac Deville by disconnecting the compressor wiring harness from the compressor itself. This is accomplished by putting the vehicle on ramps.
To replace the air ride compressor on a 1999 Cadillac DeVille Concours remove the air shocks located under each wheel and replace it.
The air compressor is located above the rear axle on the passenger side
Not sure if you share the same compressor model, but the H6 compressor in my 1994 sedan deville is not serviceable. Remans however are available on Ebay and affordable new units can be found at RockAuto.com
The Level Ride Compressor on your '96 DeVille is located underneath the car near the right rear wheel. Just follow the plastic tube from the air-shock to pinpoint it.
that depends on what is wrong have you checked the compressor?
Low refrigerant? Blown fuse? Bad compressor?
yes
the level ride air compressor is located under the hood.drivers side front fender well,right behind battery
Air ride compressor, air suspension compressor, and air pump are the names used for the same device. They are used to pump up the air suspension.
The AC low side port on a 1999 Cadillac DeVille is against the firewall. It is on the larger of the two hoses going to the AC compressor.