I've got the solution over on the other Viking forum. 
Joe
Joe
there is a white wire coming out of the bottom of the fuse box I believe it says ignition, it is only hot when the key is on.I tied into it and it works great, with warn 3500 lb winch pro vantage. daddyJust started installing a superwinch terra 45 on my viking and need to know what color wire is the positive lead coming out of the ignition switch. You have to splice to that wire so that the winch won't draw from the battery when turned off. If anyone knows the correct wire that would be awesome I don't have a service manual.