Adding a decoder

[Bob1948]

Hi, I have an early 0-4-2 Port and would like to add a basic Digitrax decoder to it. What I'd like to know is do I need to isolate the motor from the chassis/frame. Also any recommendations as far as wiring.

Bob

[Biglars]

Bob,
Here is a link to instructions I wrote up years ago.
http://www.railroad-line.com/forum/topic.asp?TOPIC_ID=27377