Color Of Clearance Lamps, Side Marker Lamps, Reflectors, And Backup Lamps

Mont. Code Ann. § 61-9-209, under Lighting Equipment.

Mont. Code Ann. § 61-9-209

(1) Front clearance lamps and those marker lamps and reflectors mounted on the front or on the side near the front of a vehicle must display or reflect an amber color. (2) Rear clearance lamps and those marker lamps and reflectors mounted on the rear or on the sides near the rear of a vehicle must display or reflect a red color. (3) All lighting devices, reflectors, and stoplights mounted on the rear of a vehicle must display or reflect a red color, except: (a) the signal devices, as defined in 61-9-218; (b) the light illuminating the license plate that must be a white lamp; and (c) the light emitted by a backup lamp that must be white.