4x4 module

Hi , I own an 01 sport trac 4x4 and the 4x4 high and low lights in dashboard does not lit when I start the engine , I presume the 4x4 module is bad because when I switch to 4x4 nothing hapens , no clics from module , nothing.Does anybody has a wiring diagram for this module .Any help is apreciate.
Thanks.

I have the same problem. If the motor is not stuck the mod probable is bad. It is located up by the throttle pedel