OK to make a jumper take a male plug or what ever plug comes from your battery and hooks up to your starter box...take a short piece of 12 ga wire brae both ends and bare them.then tin them add 2 small pieces of heat shrink tube now solder them from + connector pole to - connector pole. wait a few and slide heat shrink over connector and solder joint.. connector or jumper made. put on starter box now your ready to connect a lipo to get your nitro up n running.ill try to add pic later