There is no wiring that runs inside the grille. The wiring for the head ligghts un plugs from the back side of the light. The fender lights unplugs from the back of the housing. The wiring runs into the engine compartment from the fender.
2003 TJ, 33" BFG AT, 2" BL, 2" BDS spring lift, Truck Lite headlights, Homemade sunrider top.