How to Replace Tail Light 99-04 Ford Mustang
Difficulty: Beginner · About 20 min · Ford Mustang
Replace the tail light assembly on a 1999-2004 Ford Mustang.
Tools you will need
- Flat blade screwdriver
- 11mm wrench
Parts and supplies
- Tail light assembly
Steps
- Remove the tail light
Twist off the lower plug and pull off the upper one, pull back the insulation panel, disconnect the tail light harness, remove the 11mm nuts securing the light, then push the harness plug through and pull the light out.
- Service the bulbs
Twist the sockets counterclockwise to remove them, pulling bulbs straight out and pushing new ones in, or twist out all the sockets and remove the retainer clips if transferring to a new assembly.
- Install the new tail light
Remove the shipping covers from the new assembly, push the retainers into place, twist in all the sockets clockwise to lock them, push the harness through, line up the tail light and press it into place, replace the 11mm nuts, pull the plug through and reconnect the harness, then replace the insulation and the two plugs.
Check your vehicle’s repair manual for exact specifications and fit.