one of these two should help. as i recall, the schematic in the back of the repair manual works, if you have good eyes. but then you might not know orientation on the switch if they all broke apart. one is stock wires, one is with the relay mod (i think). both courtesty of TMoss: http://www.veryuseful.com/mustang/tech/engine/images/mustangFoxLights-Radio_diag.gif