So I found out where the water was getting into the bilge from. That would be the quarter sized hole in the hull near the bilge discharge where the fish finder used to live. There was a plastic cover (with a smaller hole in it) covering the big hole, and I'm positive the water was getting in there. I dont know how I overlooked that. I guess the previous owner had a fish finder that he took with him. Why anyone would cut such a big hole for a cord to pass through, I dont know, but at least the fix is easy enough. Im going to fill the hole with marine tex and call it good. Unless you all think I should fill with epoxy and reinforce with cloth.
If you have a hole the size of a quarter in your hull, you shouldn't fix it with marine tex. You must grind around the hole, creating a taper and patch it with layers of cloth and epoxy. The details are in books on fiberglass repair, or, if you don't want to do it yourself, its not too expensive to have it done by a professional.