South Carolina is wrong.911signalusa said:We created an interactive guide to help drivers in many occupations locate their emergency vehicle light state statutes. Feel free to browse the guide here:
State Statutes Regarding Emergency Lights | 911 Signal USA
your site says they must use red...SECTION 56-5-4700. Audible signal devices and signal lamps for authorized emergency vehicles, school buses and police vehicles; restrictions on use; effect of use.
© All police vehicles when used as authorized emergency vehicles must be equipped with oscillating, rotating, or flashing blue lights. In addition to the blue lights, the police vehicle may, but need not be equipped with alternately flashing red lights as herein specified, and may, but need not be equipped with oscillating, rotating, or flashing red lights, white lights, or both, in combination with the required blue lights. The authorized emergency police vehicle lights described herein must be visible for a distance of five hundred feet in all directions in normal sunlight. It shall be unlawful for any person to possess or display on any vehicle any blue light that is visible from outside the vehicle except one used primarily for law enforcement purposes.