air conditioner compressor

i have a 92 full size i was wondeing how to use my air conditioning for a compressor.i know to put a oiler before it and a dryer after it but does any one know what kind of fittings to use to hook up to the compressor???????

hit that little search button up there and type in EDC..engine driven comp, or whatever u like and theres like 9700983098490380948398409384934 threads on this same question