Tracing wires, Standard colors?
#30 on the power bus diagram is Battery hot (all the time) and is usually Red
#15 on the power bus diagram is Ignition hot (Switched Hot on "run") and is usually Black
#31 on the power bus diagram is Accessory hot (Switch Hot on Acc and Run) and is usually Brown
X on the power bus diagram is High Current Acc, (Switched Hot follows Acc but drops when cranking) and is usually Black/Green
Grounds are also Brown



