Neither of the windows on my 92 Previa work. Fortunately, they're in the up position. Unfortunately, it's August and the AC doesn't work. I've replaced fuse #30, even though it wasn't blown, and checked fuse #34 under the hood. They're both fine. Neither of the window switches on the driver's side, nor the window switch on the passenger's door, work. The Window Lock on the drivers side is in the unlocked position. Any do it yourself tips or is this a bring it to the mechanic or dealer task? Thanks in advance, Jeff Horne