proto 3 sound


  1. W

    MTH Proto 3 sound decoder experience

    Looking for anyone with some experience with a Proto 3 decoder. I have 2 MTH HO ES44's. I have them consisted back to back together no problem. I can't seem to get the lights to cooperate. The rear headlights on the trailing unit still want to turn on in Forward and the rear lights on the leader...



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