Hello, the first thing that one values of people is
honesty and in that you are super good, then and with respect
to your concern: this concept is, that is, the technique
of understanding that a distribution is based and to
battle with the amount of types of distribution the most
appropriate thing is to have the technical information of the
vehicle in which it is working and study it
carefully
since an error in this part would be fatal
for the mechanic and the owner of the vehicle. Already face ghosts there are always technicians with good will who can
guide you correctly.