@GGG posted:The boards are standard PS-3 steam, no design change. There have been harness construction issues, bad drawbar, and some drive train issues with dogbone that may be from a cover installed wrong on drive gear.
I did have one with reverse light wired wrong inside tender. Basically on the model, the tender coupler and rev light outputs designed to go to the Aux/Coal switch. So either tender light and coupler work, or aux light and coupler work. Not both tender lights like some PS-2 3V did.
The harness wrapping is tight and can pull on 20 pin connector (out of board connection).
If you have intermittent function on the tender I would check harness wires for a broken wire, or solder joints at the molex connector under the heat shrink. G
Great insight. Thanks. I look forward to getting mine back. When it intermittently works, it a nice loco.
