BLI Blueline locos
These locos come with a sound board and a jumper board for DC operation. To equip them for DCC, all you need to do is plug in a decoder! The BLI literature shows recommendations on page 9 of the manual. If you need a manual, you can download one from them - CLICK HERE.
Previously, BLI recommended the following decoders available at Litchfield Station - click the link (blue text) to buy:
LENZ SilverMP - cut the green wire and plug it in!
With the popularity of these locos, the recommended decoders are sometimes in short supply. Digitrax recommends the following substitutes: