dodge dakota sport 3,9 v6 manual transmission

2002 dodge Dakota sport 3.9 v6 5 speed manual transmission: hello I recently replaced master clutch cylinder, slave cylinder, twice due to product defect, then I replaced the clutch followed everything to a t even when bleeding the hydraulic system then replaced the hydraulic line from the mater clutch to the slave cylinder, after bought the switch that is connected to the clutch pedal inside the drivers side of the cab I end up with have clutch pressure and my clutch will not disengage after spending 5 hundred dollars in the last two weeks I was wondering if anyone can give me some input on this problem?