I have a MTH CN EP 3 Electric locomotive and I cannot seem to get the rear headlight to work . Now the bulb was burned out and I replaced it with a red one until MTH sends me an original replacement.When I had the shell off I tested the bulb at the 2 pin plug end and at the body contact end and the bulb received power OK and lite fine.Now that it is reassembled the bulb will not come on when I change direction.I checked wiring prior to closing it back up.Whne I push direction button, the panographs and rear marker lights adjust Ok which suggests the reverse signal is being received.Is there some quirk I am forgetting. I have completed a feature reset and a factory reset.Any help form folks who may have same model would be appreciated.Al B
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