Changing the H13 headlight bulbs in a 2015 RAM 2500 Bighorn Cummins takes approximately one to one and a half hours. Here’s a step-by-step guide on how to do it:
1. Remove the top cover.
2. Remove the grille.
3. Locate the slide-up locking pin under the wheel well.
4. Unbolt and remove the light assembly.
5. Using gloved hands, replace the bulb.
**IMPORTANT: DO NOT TOUCH THE GLASS OF THE NEW BULB!**
6. Reinstall the headlight assembly and slide down the locking assembly under the wheel well.
7. Reinstall the bolts into the headlight assembly.
8. Repeat the process on the other side; it’s best to change the lights in pairs.
9. Reinstall the grille.
10. Reinstall the top cover.
By following these steps, you’ll ensure a smooth and safe headlight bulb replacement.
