@Roger Elliott posted:
My son just got a new to us MTH Southern Pacific 4-8-4 with ProtoSound with Digital Reverse. The sound card doesn't work and the loco only goes forward. I can't make it go in reverse, even following the directions in the manual so we're....
Have you made sure the battery holds a charge? If it's still the white battery it came with, it's probably shot. What's the model #?
These engines can be locked into a direction. You have to unlock them. You'll need a good battery inside to do it.