Please help!!!!

hi i have a 95 deville. 4.9 motor. a couple of months ago i unplugs the air from the shocks for the ELC because the car would not lower. now i want the car back up and it will not activate the compressor. Nothing works. i plugged everything back in and nothing. the fuses and relays are good, the plug for the height sensor is getting power. why all of a sudden is nothing happening.

No quick answer for this over the net, usually if the car will not return to ride height the leveling sensor may be bad. So in reverse if the sensor is bad it may not be triggering the compr. to restor ride height, the right way to check this is with an oe manual with the trouble tree diagnositic charts.