is it the thunderbolt LED mirrors? if so STL did a great write up in the how to section http://www.fordrangerforum.com/exter...r-install.html he coveres the wiring part in there. also if you go to the hillbank motorsports website i think they have install directions you can download in there.
2001 Ranger 4x4 Stepside
-RCD Suspension lift
-33x12.5 BFG KM2's on Mickey Thomson classic locks
-Auburn gear LS
-James Duff traction bars
-SCT X-Cal2 and some small exterior mods http://www.cardomain.com/ride/2321189