First off check the fuses under the dash. There is a (I know this sounds weird) 40 yes 40 amp fuse for the windows. Mine kept blowing out and the only ones I could find were 30 amps I eventually troubleshot it to the rear window toggle or child safety lock be shorted. If this ends up being you case the new master control will run you $50 or if you know someone who is into electronics they can do what I did and solder the toggle into the permanent on position to eliminate the short
