Hi all! We just purchased a 1986 3607 right at then end of the season here in CT. Got a killer deal ($4500) but part of it was I didn't have the opportunity to meet the seller, so didn't get the "here is where everything is" walkthrough and am trying to figure out what lines go where. I haven't had any luck finding anyone what knows Carvers and can professionally winterize it for me (or show how the process), so I am going to have to give it a shot myself. I've winterized my fair share of houses and RVs and can handle the actual process, the real issue I am running into is figuring out what hoses go to the heads and what hoses go to the AC. On a positive note the prior owner did not fill the freshwater tanks this year so I think I just have to run some RV antifreeze from the shore water connection until it is coming out of all the faucets and I should be good there. Here are pictures of the seacocks I found, I have no idea what is what, if anyone is able to help me ID them that would be VERY much appreciated as the boat is getting pulled this week and it is going to be cold soon. Any tips on winterizing and if I need to worry about anything besides the engine/head/ac is very appreciated! This is directly in front of the port engine: This is directly in front of the starboard engine This is also directly in front of the starboard engine (this one looks promising as it looks like it is designed to hook a hose up to to pump in antifreeze - still can't figure out what it goes to though - turning it off did not seem to effect the head). This is directly in front of the stairs as you come down from the deck. The hose appears to come around and enter the junction in the below picture after going through a pump. This is what the hose in the picture above appears to go into, I assume it has something to do with the head since it has Jabsco on the handle, but turning it off does not seem to effect the head at all. Thanks for taking the time to look at my post, seems like a nice group here and I am glad to have joined!