driver front, rear and passenger rear wont roll up or down. Ordered regulators off of ebay. The rear switches will let the new regulators go up but not down. The main switch at driver side will not control the rear at all. Then out of no where after unplugging the front and plugging it back in the front driver side was working. Fuses are good, wiring looks good from what i can see, could this possbly be a relay problem or something?