Noise Suppression Capacitors on an Atlas locomotive

Tom in Texas

I noticed that the QSI equipped Atlas MP 15 locomotive I have has a noise
suppression capacitor attached to each motor brush.

I know they recommend removing these on Bachmann Spectrum locomotives and
wondered if they should be removed.

The locomotive seems to run fine for a while and then creates a short and
shuts down the DCC system. It is not obvious that there is any bare wires
touching the frame

Tom in Texas

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