I bought a kit and mounted the bulbs for the turn signal and running lights in the rear tail light housing. Ran the wiring underneath the rig from front to back. Brake lights are activated by my Brakemaster system when the brakes are applied. Been installed for +11 years.
2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi