The wiring, the single bulb will have two filaments and two wires coming out of it so wire accordingly. You will have to cut off the connector on the 00 harness and rewire.
On the 03 the larger filament is for the directionals and the other is for running lights.
Take your time, solder all joints and heat shrink (glue inside type) after making sure the lights work.
The Radio Bezel is available at most JYs and on this site.
Look at the For Sale section and good luck.
Worse comes to worse I might have one for sale.
Most of the Parts you find for sale require some painting so be prepared to do some rework.
As far as the wiring for the Fogs… make a new harness, buy an automotive relay, a 20 amp fuse holder and some 12-ga wire for the power side and some smaller gauge wire (18 or 20), and fuse holder for the relay activation.
Here is one schematic for aux wiring but there are others:
4x4, 5sp, Std Cab, Stepside, E4 Red
4” Lift - Coil-Overs, 6” SkyJacker Leafs - No Blocks (Mistake)
31 Spline FX4 Rear Axle, 4.56s and OX Locker, Hurst Shifter w/Optional Stick and "Made by Grev" alignment adapter