Bumpyroad wrote:
D.E.Bishop wrote:
They are there for safety, but they do look cool too.
I think that that is the primary reason "macho men" want them.
but for safety, etc. wouldn't just two, one on each front corner suffice?
bumpy
The two outside lights are called "clearance lights" because they show the outside dimensions, both vertical and horizontal, of the vehicle. The three lights in the middle are called "identification" or "i.d." lights because they indicate the vehicle is at least 80 inches wide.
For more details:
http://www.fmcsa.dot.gov/rules-regulations/administration/fmcsr/fmcsrruletext.aspx?reg=393.11