Compressor Control Relay
WARNING: This page does not describe the selected car, but rather 38 other vehicles, including the 1987 Pontiac Sunbird, 1987 Pontiac Safari, 1987 Pontiac Grand Prix, 1987 Pontiac Grand Am, and 1987 Pontiac Firebird. However, it is still accessible from the selected car via links, so may be relevant.
Under certain operating conditions, compressor operation may be cut off by A/C control relays, wide-open throttle, low air temperature, low engine speed and/or high coolant temperature.