Mustang Scott Drake Programmable Sequential Taillight Kit (2005-2009) Installation Instructions

Tools Required:
  • 11mm Deep Socket or Wrench
  • Flat Slotted Screw Driver
Install Difficulty:
  • Easy
  • Easy Project
1. Proceed to open the trunk and remove any large items that may obstruct the installation of your new Mustang Scott Drake 5R3Z-STL Programmable Sequential Taillight Kit.
2. Remove the two small plastic pins in the middle, next to the Mustang trunk latch.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
3. Remove the two larger plastic fasteners from taillight threads bolts. These will unscrew and pop off.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
4. Remove the two lower plastic push pins using a flat slotted screw drive.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
5. Lift up and pull the plastic trunk trim over the trunk latch and place it face down outside of the Mustang trunk area.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
6. Using an 11mm deep socket and ratchet, loosen and remove the three nuts on each Mustang taillight assembly.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
7. Disconnect taillight wiring harness by depressing the tab and pulling the connector up and free.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
8. Carefully remove your Mustang taillight from the mounting position. Once it's removed, proceed to remove the rubber grommet by slowing pushing and pulling it out of hole.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
9. Place your taillight on a flat, clean and level surface. Proceed to remove the factory pigtail harness.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
10. Carefully remove all bulbs from sockets to reuse. Note: If your bulbs are older and show signs of wear it would be ideal to replace them at this point with new Mustang bulbs.
11. Proceed to install your light bulbs into your new programmable sequential harness.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
12. Carefully install the bulbs and twist to lock. Note: Bulb #1 goes closest to your trunk; Bulb #2 is in the middle, and Bulb #3 goes in the outside corner.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
13. Insert your new Scott Drake Programmable Sequential Harness through the body panel hole and reconnect it to the harness until the tab clicks and locks in place. Press the rubber grommet into the body panel hole and push firmly on the grommet until it is fully seated.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
14. Reinstall the Mustang taillights and reattach each of the 11mm nuts until they are tight.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
15. Repeat this installation process for the second tail lamp.
16. Test the light connections. Turning on the hazards will allow you to test and change programmable settings using dip switches 1-2-3.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image
17. Once you find your desired setting, proceed to reinstall the plastic trunk trim cover in reverse order from removal and the installation of your new Mustang Scott Drake Programmable Sequential Taillight Kit is complete.
Mustang Scott Drake Programmable Sequential Taillight Kit Install Image