I have a Reverse Switch for the Red Comet however I have not found any information on line as to how it is to be connected or how it operates. I assume it reverses the polarity of the low voltage causing the engine motor to reverse directions. Would I bridge the switch to the main transformer lines Pos Neutral at the track?
Second question is regarding any methods for repairing the broken pot metal on the locomotive roof. I was think two options, body filler like bondo and repaint to match or using cut off wheel to round out the Cab Roof. Not looking for a show piece but want it to appear somewhat better than it is. Any suggestions on either question is appreciated. Richar
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The switch is more complicated than just a simple cross switch. Now, what kind of switch it is could determine quite a bit–if you could post a photo of the switch, that would be rather helpful. In short, though, reversing the polarity will affect old universal-motored locomotives… not at all. As for the cab repair, I have no idea what the best solution would be but I wish you luck in your endeavor therein.
Welcome aboard Richard!
Per the broken cab roof my inclination would be to cut a piece of sheet metal to go over the trailing end of the cab roof, fill the broken area underneath with Bondo or other body puttys, then sand and paint.
I concur, with Engine_1988, a photo of the switch would be helpful. I’m guessing what you’ve got is an replacement e-unit but that’s just a guess.
Oh, re-direct your questions to the “Classic TOY Trains” Forum, the “Classic Trains” Forum deals with railroading in years past. The “CTC” Forum will give you all the exposure to the toy train folks you need to reach.
Personally, if that engine works just fine without the reverse unit I’d be tempted to just leave it out, ask yourself just how many times you’re going to run in reverse.
Welcome aboard RichardNovitsky! 
