This is Code of Federal Regulations 1996 Title 49, Volume 4, 393-1.
Table 1 on pages 2-3 spells out the uUS regulations for marker lights on vehicles wider than 80 inches.
The seventh line on page 2 covers the requirement for red lights at both upper rear-facing corners.
The first line on page 3 covers the requirement for three red lights at the top, near the centerline, spaced 6"-12" apart.
Taken together, this means 5. No fair taking one off to install a camera.
Table 1 on pages 2-3 spells out the uUS regulations for marker lights on vehicles wider than 80 inches.
The seventh line on page 2 covers the requirement for red lights at both upper rear-facing corners.
The first line on page 3 covers the requirement for three red lights at the top, near the centerline, spaced 6"-12" apart.
Taken together, this means 5. No fair taking one off to install a camera.
