I have 6 proto 1 premier 6axle diesels. 3 run with no sound. 3 do not run at all. The 3 that dont run seem to have good chips but bad top boards. Switching good boards and chips from other locos. I even considered just adding William's boards to just run none runners. Also have early proto 2 gp35 that has been problem since new. Repaired by dealer. Then he retired. It is completely dead nothing.What would be best way to economically get the sound and get the 4 running? Or just keep for parts and buy new proto 3 ? Thanks Bob
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