Begin taking out the clips on the bottom lip of the trunk that hold the liner in place.
Remove the overhead clips on the top lip of the trunk. This is where you might need the flat head screwdriver and needle nose pliers.
Remove both the front liner and back liner so you can move the liners on both the left and right sides to access the tail light assembly bolts.
Remove the tail light retaining nuts with a 12mm deep socket.
Unplug the factory light harness and dismount the rubber grommet by pushing it through a little bit at a time. A screw driver may help with this step.
Slide headlight housing forward.
Turn the factory harness pieces until the sockets pop out.
Remove the bulbs from the factory harness and insert them into the new sequential harness.
Re-install the sequential harness into the taillight assembly. Plug the lights in before reassembling the taillight to ensure you have the correct sequence. This will make for less work if installed in the wrong sequence.
Re-install the taillight assembly into the car, making sure to fit the rubber stopper before plugging in the wire.
Re-install the bolts on the assembly.
Repeat for the opposite taillight.
Reinstall your trunk liner and give your lights a final test.
Installation Instructions written by AmericanMuscle customer Emanuel Borja 4.4.12
These guys are great! Customer service is absolutely top notch. Their pricing points are spot on and every month they off some sort of special on multiple parts. Not only that but the staff will educate you on the parts and their customer reveiw option of every part has been a huge help in determining the validity of each part you buy. American Muscle is the perfect example of what a full service parts distributor and custom tuning shop should be. I'm just glad they are Mustang exclusive!
All my other cars were all-wheel drive, my brother had an 04 cobra and i wanted to compete and beat him with naturally aspirated so i went with a mach1 - and beat him. Now he works here too! I got lucky and was able to find one of the...
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