DrWho 12?
These should be the two drawings for your engine:
http://www.bachmanntrains.com/home-usa/dwg/dwgs/LS4-4-0DCWIRING.pdf
http://www.bachmanntrains.com/home-usa/dwg/dwgs/LS4-4-0DCCWIRING.pdf
You can compare the DC and DCC drawings to see what you would have to do.
I don't think they made DCC ready locos back then, but everything seems to be
easy enough to get to and rewire.
Tom
These should be the two drawings for your engine:
http://www.bachmanntrains.com/home-usa/dwg/dwgs/LS4-4-0DCWIRING.pdf
http://www.bachmanntrains.com/home-usa/dwg/dwgs/LS4-4-0DCCWIRING.pdf
You can compare the DC and DCC drawings to see what you would have to do.
I don't think they made DCC ready locos back then, but everything seems to be
easy enough to get to and rewire.
Tom