It's a good product but it didn't fit my front signal/parking headlights on my 2003 hyundai elantra gls sedan. Ebay says it fits so I'm guessing it might work for the back brake lights or reverse lights , but since it didn't work for my front signal/parking head light which thats what I order it for and which I needed one resistor on each side. So I just cut the resistors off the plug and play harness and tap them into the wiring and it still work out great. I just kept the remainding parts from the harness as extra parts to used if I need it in the future for some else to repair. I would highly recommend to just buy the resistor and tap into the signal wires of vehicle. It works maybe even better then the harness and its just as easy to install. I guess I can say it still work for me even if it was the wrong plug and play and harness. I sure it would probably end up being the same for some other people. The moral of this story just get the resistors if thats all you need it's pretty much plug and play as well. Thank you all and Aloha from Hawaii!