please help.the battery keeps going dead on my jeep.i replaced the alternator,battery,and a new headlight switch that was acting up.where else can i look and please give me instructions of how to.im not a mechanic

There is a drain from somewhere; something is staying on when you turn the Jeep off.

If you're not electrically inclined, I'd suggest taking it to a competent auto electrical shop to have it looked at. There could be any number of elements that are shorted out or malfunctioning.