Retro fit sound kits for Stewart and Bowser.Kit includes Sound module, speaker, speaker enclosure, screws (when necessary).The units must have an 8 pin socket to use this kit. I also recommend the 3 axle pickup kits.Sound must have constant pickup and the old 2 axle pickup does not seem to work as well. #691-602.Stewart locos with the long circuit board will need 2 holes drilled (3/32") in the board and 2 holes drilled (#50) into the enclosure.It is recommended to use Kapton tape to hold the wires together and the module to the circuit board.Do not use black electrical tape.
The sound chassis will fit Old Stewart Locos.
All Units come preprogrammed.As with most sound equipped locos running with DC control, a unit with sound will start at a slightly higher voltage than a unit without sound
If your loco does not have 8 pin or 21 pin sockets use ESU standard packages
You will have to wire the decoders into the locos.