www.helminc.com.

i had one for a long time. i just parted it out and sold it all, including my helms.
Check your underhood accessory relays and fuses for the CC etc probs.

I have no idea what is causing your leak. But I recommend checking the weather stripping around your door, and then along that side of the rear window. Mine were badly cracked and begining to leak when I junked the car.