Some manufacturers support 21 pin decoders in their locomotives. Given that this narrows down the choice of decoders available for modeler's to use in their locomotives, a simple 8 to 21 Pin adaptor immediately enables modeler's to use almost any decoder they choose in their locomotive.
This PCB includes solder tabs for functions 4, 5 and 6 to allow for easy installation of additional lighting and other locomotive functions.
