Ford Repair: battery drain, ford expidition, battery drain

Question
2004 ford expidition 5.4 motor new battery lasted for two days,3rd day it was completely drained,recharge and works fine,unless left overnight. un hooked ground.battery shows 12.4 volts.what could drain the battery.

Answer
your vehicle is equipped with a rear wiper ??? if so, remove the rear door panel and disconnect it- what happens is the rear wiper motor wears out and is continuously try to park itself. try this- pretty sure you'll be o.k. after-- take care and get back to me.  -b-