shouldn't run anything else, my 94 doesnt.
most likely it is out of freon
Turn the compressor off.
For residential equipment it is 24 volts
Check the Freon pressure first. The AC compressor will not turn on if the Freon pressure is too low.
The ac compressorThe ac compressor
the ac belt or the compressor bearings are going bad
the clutch on your A/C compressor needs to be replaced.
Bad clutch on compressor, unplug the wires from the AC compressor, replace fuse if doesnt blow fuse its in compressor, if blows then gounded wire
IT should turn freely when the a/c is not turned on.
If it has AC assist and the compressor is shot, cut the belt or disconnect the defrost from the compressor.
90 percent is the compressor relay that cause it.