Thanks!
     I figured most of it out by studying the pc board under a magnafier. I will complete the rewire trial and error method.

Hi,
     I have an old RC Big Hauler 4-6-0, which was stored away for many years. Recently I decided to run it but could not find the transmitter/controller, so I removed the PC Board and wired the motor directly to the batteries thru the switch.
    Now I located the remote control and want to rewire the PC Board, but I regret to say I failed to save a wiring diagram. My question is, can anyone supply me with the wiring diagram for the RC Big Hauler? I have part of it, but not all.