Photos and text by Ernie's Engines, of Taunton, Massachusetts
1. Remove the cover between the pantographs
2. Remove the two little jumpers in the DCC plug
3. Using a short harness install the T1 decoder as in the picture. An MC2 decoder with a short harness would also fit nicely.
Slow speed performance was good so it wasn't necessary to cut a capacitor lead as on other Bachmann loco's.