2000-2005 CHEVY MONTE CARLO SS Black LED Rear Tail Lights - NEW PAIR Brand NEW set (2 pieces, Left & Right) and Never been used Fitment: 2000-2005 CHEVROLET MONTE CARLO ALL MODELS INCLUDING SS Package Contents: (L) Driver side & (R) Passenger side lights No Bulbs are included except the built-in LEDs, plug and play connection, no error after install, you do need to use factory side light bulb and socket to plug in to the side hole that is designed specifically for that, just like factory part. Although DIY is possible. PROFESSIONAL INSTALLATION is RECOMMENDED, NO instruction will be included except the manufacturer's original ones if there is any.