What are the color code for ignition switch block for a Oct 12, 2013does anyone know the color code for ignition switch block for craftsman riding mower modelNNN-NN-NNNNthere is a five pin block and five colored wires but do not know which color goes where. Submitted: 5 years ago. Collection Of Wiring Diagram for John Deere Riding Lawn Collection of wiring diagram for john deere riding lawn mower. A wiring diagram is a streamlined traditional pictorial representation of an electrical circuit. It shows the elements of the circuit as simplified forms, and also the power as well as signal connections between the tools.