I have a 1985 Allegro Class A. The only Battery in the Joey Tray starts the Generator. There are several other cables that I assume are to provide 12V power to the coach. Can anyone say what type are needed and are they wired in sequence somehow? Does the Generator have batteries separate from the coach? A drawing would be helpful. I tried hooking all the reds to positve on the 1 battery present and all the blacks to negative and got some scary results. The switch box began to smoke. Since then I have left it alone.