Thanks everyone. I was able to contact the person I bought it from and he said that it was a circuit that he setup to give the headlight full power even if the engine wasn't at full power. The cuircuit is a 4 diode bridge rectifier. Not sure how that would work so I just cleaned it all out. I...
Hello, everyone. I am new to the board and only have about 2 months in the hobby. I recently picked up a Mantua Vanderbilt Tender. I opened it up since I am planning to re-label it from Union Pacific to Southern Pacific. When I opened it up I found this wiring and can not figure out what it is...