As I promised, there is now a direct connect option for the YLB for any RailSounds Lite board. These are the boards used in most Legacy locomotives of recent manufacture. This differs from the original YLB only in that it offers a direct connection to the RS-Lite board instead of the 9V battery clip. Most new Legacy ships without the battery cable. The new connection option solve the missing cable issue for those wishing to add a battery.
10510 - Your Last Battery, Railsounds Lite Batt. Replacement