1986 560sl. Working on the AC now.Put in compressor,Klima control, ACC unit,drier,o rings on suction and delivery lines,4 o rings on compressor manifold,also,high/low switch,new fuse for compressor,tightened everything up,vacumned it down,stayed down,opened up 134 with UV let it go down the low side,can got cold heard it being sucked down.Started car turned on AC,compressor refused to kick in.Jumped the high/low switch NOTHING,DEF.NOTHING.Point me in the right direction.This is MAMA'S CAR and she getting on this ol Paratrooper Butt about the heat and to get this thing finished so she can drive it.Any help appreciated.!!!