Mini-guide of a Hornby OO LNER B17, adding DCC sound using a Zimo MX645 as well as Seuthe smoke and lighting...
CT DCX33 function decoder in the loco (or Zimo MX681) to control smoke and loco lighting. Wiring shown here for the lamps:

Front lamps and new metal chimney added:

Cab light and firebox glow light in:

Routing and tucking the lamp and smoke wiring neatly away:

Painted and reassembled:

|