I just had problems with my ac clutch not engaging if thats the problem bypass the high pressure switch remove the electric connection at the end of it take a small wire put both end of the wire into the end of the connection in each of the small holes turn the truck and ac on if ...
F81Z-12B637-EA Engine Wiring Wire Harness Powerstroke for Ford 1999 2000 2001 F250 F350 F450 F550 Super Duty Excursion V8 7.3L, You can get more details about F81Z-12B637-EA Engine Wiring Wire Harness Powerstroke for Ford 1999 2000 2001 F250 F350 F450 F5