extra_1 extra_2 extra_3 and extra_4 are your primary lights
extra5 and extra6 are your wig wags must be named like this or your lights will be dim
extra_7 extra_8 and extra_9 is your traffic advisor lights
and make sure you attach them (wig wags) if you have a light bar on the car because if you don't when you export the model you'll get errors