If the compressor is not coming on at all it could be that you are low of refrigerant and just need to add some more.
You can add Freon to your 1999 Chevrolet S 10 pickup truck cooling system, through the air conditioning compressor ports. The ports are located on the top of the compressor. You would add r134 refrigerant through the low pressure port located on the accumulator/dryer.
check the back of the compressor, they hide the there on the older models. volvodoctor
The 2000 Chevrolet Silverado truck has two ports on top of the air conditioner compressor. You will add Freon through the low pressure port.
Quick release fitting located on the low pressure side (Larger hose from compressor)
If you add anything other than what the manufacture has no liability for defective. Meaning that if you bought a new or remanufactured compressor and it went bad it would not have a warranty.
The low pressure side is located on the compressor. To locate the port, jack up the driver side and crawl underneath to locate the compressor. Add the freon to the port on the compressor.
Surge is a point when compressor is not add enough energy to overcome system resistance.
Remove the compressor and pour it in. If its making noise its probably to late and you will need to replace it.
the port to add freon is under the car in front of engine coming off the compressor hard to get to but can be done