Can I add extra lights to my truck, tractor, trailer, or body over and beyond the legal requirements in FMVSS 108?
Can I add extra lights to my truck, tractor, trailer, or body over and beyond the legal requirements in FMVSS 108?
Lighting that goes beyond the legal requirements of FMVSS 108 is called auxiliary lighting. Auxiliary lighting can be added to the vehicle as long as it does not cause confusion or impair the effectiveness of any of the required lights.