I recently received the above engine and it seems the motors do not engage the truck assembly all the time. The engine powers up, railsounds function and when I attempt to have the engine move the motors sound as if they are spinning but not moving the trucks. I removed the shell and turned the motor armature but the trucks did not spin and vice versa when I turned the trucks the armature did not spin. There has been a couple of times when the drive engages the trucks and the engine moves, but when I reverse the engine it returns to no movement. This happens in both conventional and command mode. Is there a signal sent to the engines to engage the trucks for movement? Removing the trucks does not seem like a solution because it is on both motors. I believe it is more electronic than mechanical. Please help. Thanks
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