Fog light wiring | Jeep Wrangler TJ Forum I recently purchased an 04 TJ with very low miles. It’s mostly stock and did not come with factory fog light and is not pre wired (yes I’m sure). TJ Fog Light Wiring - Jeep Wrangler Forum Heres the deal guys. I have a 99 TJ that I assume came with factory "fog lights,driving lights". The mounting bracket was beginning to wear so I decided to get new lights.