It doesn't take special stuff for the C-Dory. The factory buys stuff just like we do (although since they probably buy in bulk, a lot cheaper) and uses it. You can always ask them what they are currently installing, they might even be willing to sell you directly what they have. As for the bilge pump, for a long time, they used the Rule 1100 with an automatic switch built in. That's what I have. In the automatic position, it comes on every 2-3 minutes and if it doesn't find water, it shuts down. In the manual position, it stays on. I leave mine on, it can run a whole season without running a battery down. Find out where the water pools in your cockpit and mount it there. My boat has a little well on the centerline at the transom where mine is installed. The overboard is high above the waterline on the starboard side of the transom.
As for the wipers, I've got the manual ones. Electric ones can be had from West Marine (Boat US) and many other places. There are some pictures in the photo albums that show them, you'll have to hunt, much faster if you have a broadband connection. When you get them, I'd recommend the pantograph type of blade, it's a mechanism that keeps the blade perpendicular to the cabin top and sweeps much more of the glass.
I think your hull model is very flat at the stern, much flatter than my '94. Anywhere aft is a good spot for a transducer but if I were you, I'd not use a thru hull but a transom mounted one. Lots of info on the threads here about that too. Easy to make a bracket with starboard (plastic lumber) and glue/screw it to the transom. Some transducers have a built in mounting system, mine does. I just have an aversion to drilling through the hull, especially with a balsa core. If you do it, be very careful to seal the hole well so you don't get any water intrusion. Even if you mount it externally on the transom, be sure to use a lot of 3M 4200 or 5200 in the holes to seal it tightly.
Welcome to the fold, I think you'll find us a friendly and informative bunch, willing to help all we can...l :lol:
Charlie