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For those who have upgraded Lionel engines that have Pullmor motors to TMCC via ERR's AC Commander, I would like to see how you wired the capacitors, wires and whatever else you did to the motor. I.E. Images of the motor after all the work in good clear definition.

Specifically for engines like the USA scale Hudsons, T-1's, Mohawks, etc. I'm upgrading a Lionel 18005 Hudson right now, and have wired both capacitors to ground, but it does not move. I want to ensure the wiring is correct, as I did follow from the instruction manual.

I wired things the same on a Lionel MPC Hudson, and it works 100% fine, but I also noticed that the hot and the ground had the same connection, but did NOT result in shorts.

If anyone can help me in this area, that would be great. Thank you~

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The capacitors go from each brush to ground. One capacitor goes from one brush to ground. The other capacitor goes from the other brush to ground. Did you check the capacitors to see if one is shorted? You can wire everything up without the capacitors and see if it runs, but don't run it that way for more than a second or two. The capacitors are there for spike suppression and spikes will get into things and make then act funny.

Check all of your wires, one at a time. The instruction manual is on the ERR website and it should include a wiring diagram.

It looks like you have both ends of the field grounded. Only one end of the field gets grounded.

Can motors (the ones you have) do not need these capacitors. They are just for the brushes on AC motors.

I hope you are not trying to put an AC Commander in the loco. You need a DC Commander, or better yet, a Cruise Commander.

The picture looks like an AC Commander, even though a better picture, from the top and showing the whole board, would be helpful.

Last edited by RoyBoy

This discussion started as a question about a Pullmor motor and half way through a question about a Williams loco with can motors was injected into the discussion. This may not end well.    Regardles, there is a universal AC/DC answer. The capacitors must be non polarized and each cap goes from one brush then to a solid ground. Check your ground point for continuity with the wheels. Any motor with a commutator makes electrical commutation noise and caps are just as important on AC as on DC motors and vice versa.  If you use the sheet metal chassis frame as a ground connect ground straps from it to both trucks.        J

Last edited by JohnActon

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