dont know how to work 03 edge EZ
 

i bought a 03 dodge 3500 it cam with a edge EZ and i dont know how to work the darn thing it has 6 prongs in it and 2 clips to conect the prongs i dont know if i need another clip or just 1 someone had told me it has 3 differint HP settings on it and the other 3 prongs are for stock obviously it says(non user)under those but nothing under the other side that says (optional settings) i need help to figure it out

from the Edge website here is a complete PDF instruction for the 03

Edge Products| Installation