Table l-a Required Lamps and Reflective Devices FMVSS 108
Lighting device | Number and color | Mounting location | Mounting height | Device activation |
All Passenger Cars, Multipurpose Passenger Vehicles (MPV), Trucks, and Buses | ||||
Lower Beam Headlamps | White, of a headlighting system listed in Table 11 | On the front, at the same height, symmetrically about the vertical centerline, as far apart as practicable | Not less than 22 inches (55.9 cm) nor more than 54 inches (137.2 cm) | The wiring harness or connector assembly of each headlighting system must be designed so that only those light sources intended for meeting lower beam photometries are energized when the beam selector switch is in the lower beam position, and that only those light sources intended for meeting upper beam photometries are energized when the beam selector switch is in the upper beam position, except for certain systems listed in Table 11. Steady burning, except that may be flashed for signaling purposes. |
Upper Beam Headlamps | White, of a headlighting system listed in Table 11 | On the front, at the same height. symmetrically about the vertical centerline, as far apart as practicable | Not less than 22 inches (55.9 cm) nor more than 54 inches (137.2 cm) | |
Turn Signal Lamps | 2 Amber | At or near the front, at the same height, symmetrically about the vertical centerline, as far apart as practicable | Not less than 15 inches, nor more than 83 inches | Flash when the turn signal flasher is actuated by the turn signal operating unit. |
2 Amber or red Truck tractor exception, see S6.1.1.3 | On the rear, at the same height, symmetrically about the vertical centerline, as far apart as practicable | |||
Taillamps | 2 Red | On the rear, at the same height, symmetrically about the vertical centerline, as far apart as practicable | Not less than 15 inches, nor more than 72 inches | Steady burning. Must be activated when the headlamps are activated in a steady burning state or the parking lamps on passenger cars and MPVs, trucks, and buses less than 80 inches in overall width are activated. May be activated when the headlamps are activated at less than full intensity as Daytime Running Lamps (DRL). |
Stop Lamps | 2 Red | On the rear, at the same height, symmetrically about the vertical centerline, as far apart as practicable | Not less than 15 inches, nor more than 72 inches | Steady burning. Must be activated upon application of the service brakes. When optically combined with a turn signal lamp, the circuit must be such that the stop signal cannot be activated if the turn signal lamp is flashing. May also be activated by a device designed to retard the motion of the vehicle. |
Side Marker Lamps | 2 Amber 2 Red (not required on truck tractor). | On each side as far to the front as practicable On each side as far to the rear as practicable | Not less than 15 inches | Steady burning except may be flashed for signaling purposes. Must be activated when the headlamps are activated in a steady burning state or the parking lamps on passenger cars and MP Vs, trucks, and buses less than 80 inches in overall width are activated. |
Reflex Reflectors | 2 Amber 2 Red (not required on truck tractor). | On each side as far to the front as practicable On each side as far to the rear as practicable | Not less than 15 inches, nor more than 60 inches | Not applicable. |
2 Red | On the rear, at the same height, symmetrically about the vertical centerline, as far apart as practicable On a truck tractor may be mounted on the back of the cab not less than 4 inches above the height of the rear tires. | |||
Backup Lamp | 1 White Additional lamps permitted to meet requirements | On the rear | No requirement | Steady burning. Must be activated when the ignition switch is energized and reverse gear is engaged. Must not be energized when the vehicle is in forward motion. |
License Plate Lamp | 1 White Additional lamps permitted to meet requirements | On the rear to illuminate license plate from top or sides | No requirement | Steady burning. Must be activated when the headlamps are activated in a steady burning state or when the parking lamps on passenger cars and MP Vs, trucks, and buses less than 80 inches in overall width are activated. |
Additional Lamps Required on All Passenger Cars, and on Multipurpose Passenger Vehicles (MPV), Trucks, and Buses, Less Than 2032 MM in Overall Width | ||||
Parking lamps | 2 Amber or white | On the front, at the same height, symmetrically about the vertical centerline, as far apart as practicable | Not less than 15 inches, nor more than 72 inches | Steady burning. Must be activated when the headlamps are activated in a steady burning state. |
Additional Lamp(s) Required on All Passenger Cars, and on Multipurpose Passenger Vehicles (MPV), Trucks, and Buses, Less Than 2032 MM in Overall Width and With a GVWR of 10,000 Lbs or Less | ||||
High mounted stop lamp | 1 Red, or 2 red where exceptions apply. See Section 6.1.1.2 | On the rear including glazing, with the lamp center on the vertical centerline as viewed from the rear | Not less than 34 inches except for passenger cars. See Section 6.1.4.1 | Steady burning. Must only be activated upon application of the service brakes or may be activated by a device designed to retard the motion of the vehicle. |
Additional Lamps and Reflective Devices Required on All Passenger Cars, Multipurpose Passenger Vehicles (MPV), Trucks, and Buses, 30 Feet or Longer | ||||
Intermediate side marker lamps | 2 Amber | On each side located at or near the midpoint between the front and rear side marker lamps | Not less than 15 inches | Steady burning except may be flashed for signaling purposes. Must be activated when the headlamps are activated in a steady burning state or when the parking lamps on passenger cars and MP Vs, trucks, and buses less than 80 inches in overall width are activated. |
Intermediate side reflex reflectors | 2 Amber | On each side located at or near the midpoint between the front and rear side reflex reflectors | Not less than 15 inches, nor more than 60 inches | Not applicable. |
Additional Lamps Required on All Multipurpose Passenger Vehicles (MPV), Trucks, and Buses, 2032 MM or More in Overall Width | ||||
Clearance lamps | 2 Amber | On the front to indicate the overall width of the vehicle, or width of cab on | As near the top as practicable | Steady burning. |
truck tractor, at the same height, symmetrically about the vertical centerline May be located at a location other than the front if necessary to indicate the overall width of the vehicle, or for protection from damage during normal operation of the vehicle. | ||||
2 Red (not required on truck tractor) | On the rear to indicate the overall width of the vehicle, at the same height, symmetrically about the vertical centerline May be located at a location other than the rear if necessary to indicate the overall width of the vehicle, or for protection from damage during normal operation of the vehicle. | As near the top as practicable, except where the rear identification lamps are mounted at the extreme height of the vehicle. Practicability of locating lamps on the vehicle header is presumed when the header extends at least 25 mm (1 inch) above the rear doors. | Steady burning. | |
Identification lamps | 3 Amber | On the front, at the same height, as close as practicable to the vertical centerline, with lamp centers spaced not less than 6 inches or more than 12 inches apart | As near the top of the vehicle or top of the cab as practicable | Steady burning. |
3 Red (not required on truck tractor) | On the rear, at the same height, as close as practicable to the vertical centerline, with lamp centers spaced not less than 6 inches or more than 12 inches apart | As near the top as practicable Practicability of locating lamps on the vehicle header is presumed when the header extends at least 25 mm (1 inch) above the rear doors. | Steady burning. | |
Additional Lannps Required on All School Buses Except Multifunction School Activity Buses | ||||
Signal warning lamps | 2 Red plus 2 amber optional | On the front of the cab as far apart as practicable, but in no case shall the spacing between lamps be less than 40 inches Amber lamps, when installed, at the same height as and just inboard of the red lamp. | As high as practicable but at least above the windshield | Flashing alternately between 60 to 120 cycles per minute, with an activation period sufficient to allow the lamp to reach full brightness, when actuated by a manual switch. Amber lamps, when installed, may only be activated by manual or foot operation, and must be automatically deactivated and the red lamps must be automatically activated when the bus entrance door is opened. |
2 Red plus 2 amber optional | On the rear cab as far apart as practicable, but in no case shall the spacing between lamps be less than 40 inches Amber lamps, when installed, at the same height as and just inboard of the red lamp. | As high as practicable but at least above the top of any side window opening | Flashing alternately between 60 to 120 cycles per minute, with an activation period sufficient to allow the lamp to reach full brightness, when actuated by a manual switch. Amber lamps, when installed, may only be activated by manual or foot operation, and must be automatically deactivated and the red lamps must be automatically activated when the bus entrance door is opened. | |
Daytime Running Lamps Permitted But Not Required on Passenger Cars, Multipurpose Passenger Vehicles (MPV), Trucks, and Buses | ||||
Daytime running lamp (DRL) | 2 identically colored either white, white to yellow, white to selective yellow, selective yellow, or yellow | On the front, symmetrically disposed about the vertical centerline if not a pair of lamps required by this standard or if not optically combined with a pair of lamps required by this standard | Not more than 1.067 meters above the road surface if not a pair of lamps required by this standard or if not optically combined with a pair of lamps required by this standard See S7.10.13(b) for additional height limitation. | Steady burning. Automatically activated as determined by the vehicle manufacturer and automatically deactivated when the headlamp control is in any "on" position. Each DRL optically combined with a turn signal lamp must be automatically deactivated as a DRL when the turn signal lamp or hazard warning lamp is activated, and automatically reactivated as a DRL when the turn signal lamp or hazard warning lamp is deactivated. See S7.10.10.1(c) for additional activation requirements when mounted close to, or combined with, a turn signal lamp. |
Table l-b Required Lamps and Reflective Devices FMVSS 108
Lighting device | Number and color | Mounting location | Mounting height | Device activation |
ALL TRAILERS | ||||
Turn Signal Lamps | 2 Red or amber | On the rear, at the same height, symmetrically about the vertical centerline, as far apart as practicable | Not less than 15 inches, nor more than 83 inches | Flash when the turn signal flasher is actuated by the turn signal operating unit. |
Taillamps | 2 Red or 1 red on trailers less than 30 inches wide | On the rear, at the same height, symmetrically about the vertical centerline, as far apart as practicable. When a single lamp is installed it must be mounted at or near the vertical centerline | Not less than 15 inches, nor more than 72 inches | Steady burning. |
Stop Lamps | 2 Red, or 1 red on trailers less than 30 inches wide | On the rear, at the same height, symmetrically about the vertical centerline, as far apart as practicable. When a single lamp is installed it must be mounted at or near the vertical centerline | Not less than 15 inches, nor more than 72 inches | Steady burning. Must be activated upon application of the service brakes. When optically combined with a turn signal lamp, the circuit must be such that the stop signal cannot be activated if the turn signal lamp is flashing. May also be activated by a device designed to retard the motion of the vehicle. |
Side Marker Lamps | 2 Amber None required on trailers less than 1829 mm [6 ft] in overall length including the trailer tongue | On each side as far to the front as practicable exclusive of the trailer tongue | Not less than 15 inches | Steady burning except may be flashed for signaling purposes. |
2 Red | On each side as far to the rear as practicable | Not less than 15 inches. Not more than 60 inches on trailers 2032 mm or more in overall width | ||
Reflex Reflectors. A trailer equipped with a conspicuity treatment in conformance with S8.2 of this standard need not be equipped with reflex reflectors if the conspicuity material is placed at the locations of the required reflex reflectors | 2 Amber None required on trailers less than 1829 mm [6 ft] in overall length including the trailer tongue | On each side as far to the front as practicable exclusive of the trailer tongue | Not less than 15 inches, nor more than 60 inches | Not applicable. |
2 Red | On each side as far to the rear as practicable | |||
2 Red or 1 red on trailers less than 30 inches wide | On the rear, at the same height, symmetrically about the vertical centerline, as far apart as practicable When a single reflector is installed it must be mounted at or near the vertical centerline. | |||
License Plate Lamp | 1 White Additional lamps permitted to meet requirements | On the rear to illuminate license plate from top or sides | No requirement | Steady burning. |
Additional Lamps and Reflective Devices Required on all Trailers 30 Feet or Longer | ||||
Intermediate side marker lamps | 2 Amber | On each side located at or near the midpoint between the front and rear side marker lamps | Not less than 15 inches | Steady burning except may be flashed for signaling purposes. |
Intermediate side reflex reflectors A trailer equipped with a conspicuity treatment in conformance with S8.2 of this standard need not be equipped with reflex reflectors if the conspicuity material is placed at the locations of the required reflex reflectors | 2 Amber | On each side located at or near the midpoint between the front and rear side reflex reflectors | Not less than 15 inches, nor more than 60 inches | Not applicable. |
Additional Lamps Required on all Trailers 2032 MM or More in Overall Width | ||||
Clearance lamps | 2 Amber | On the front to indicate the overall width of the vehicle, at the same height, symmetrically about the vertical centerline May be located at a location other than the front if necessary to indicate the overall width of the vehicle, or for protection from damage during normal operation of the vehicle | As near the top as practicable | Steady burning. |
2 Red | On the rear to indicate the overall width of the vehicle, at the same height, symmetrically about the vertical centerline May be located at a location other than the rear if necessary to indicate the overall width of the vehicle, or for protection from damage during normal operation of the vehicle | As near the top as practicable, except where the rear identification lamps are mounted at the extreme height of the vehicle. Practicability of locating lamps on the vehicle header is presumed when the header extends at least 25 mm (1 inch) above the rear doors | Steady burning. | |
2 Amber to front and red to rear | On a boat trailer the requirement for front and rear clearance lamps may be met by installation at or near the midpoint on each side of a dual facing lamp so as to indicate the extreme width. May be located at a location other than the front and the rear if necessary to indicate the overall width of the vehicle, or for protection from damage during normal operation of the vehicle | As near the top as practicable | Steady burning. | |
Identification lamps | 3 Red | On the rear, at the same height, as close as practicable to the vertical centerline, with lamp centers spaced not less than 6 inches or more than 12 inches apart | As near the top as practicable Practicability of locating lamps on the vehicle header is presumed when the header extends at least 25 mm (1 inch) above the rear doors | Steady burning. |
Table I-c-Required Lamps and Reflective Devices
Lighting device | Number and color | Mounting location | Mounting height | Device activation |
All Motorcycles | ||||
Lower Beam Headlamps | White, of a headlighting system listed in S10.17 | On the front, at the same height, symmetrically about the vertical centerline, as far apart as practicable. See additional requirements in S10.17.1.1, S10.17.1.2, and S10.17.1.3 | Not less than 22 inches (55.9 cm) nor more than 54 inches (137.2 cm) | The wiring harness or connector assembly of each headlighting system must be designed so that only those light sources intended for meeting lower beam photometries are energized when the beam selector switch is in the lower beam position, and that only those light sources intended for meeting upper beam photometries are energized when the beam selector switch is in the upper beam position, except for certain systems listed in Table II. |
Upper Beam Headlamps | White, of a headlighting system listed in S10.17 | On the front, at the same height, symmetrically about the vertical centerline, as far apart as practicable. See additional requirements in S10.17.1.1, S10.17.1.2, and S10.17.1.3 | Not less than 22 inches (55.9 cm) nor more than 54 inches (137.2 cm) | Steady burning, except that may be flashed for signaling purposes. The upper beam or the lower beam, but not both, may be wired to modulate from a higher intensity to a lower intensity in accordance with S10.17.5 |
Turn Signal Lamps | 2 Amber. None required on a motor driven cycle whose speed attainable in 1 mile is 30 mph or less | At or near the front, at the same height, symmetrically about the vertical centerline, and having a minimum horizontal separation distance (centerline of lamps) of 16 inches. Minimum edge to edge separation distance between a turn signal lamp and headlamp is 4 inches | Not less than 15 inches, nor more than 83 inches | Flash when the turn signal flasher is actuated by the turn signal operating unit. |
2 Amber or red. None required on a motor driven cycle whose speed attainable in 1 mile is 30 mph or less | At or near the rear, at the same height, symmetrically about the vertical centerline, and having a minimum horizontal separation distance (centerline to centerline of lamps) of 9 inches | |||
Minimum edge to edge separation distance between the turn signal lamp and the tai Hamp or stop lamp is 4 inches, when a single stop and taillamp is installed on the vertical centerline and the turn signal lamps are red | ||||
Taillamps | 1 Red | On the rear, on the vertical centerline except that if two are used, they must be symmetrically disposed about the vertical centerline | Not less than 15 inches, nor more than 72 inches | Steady burning. Must be activated when the headlamps are activated in a steady burning state. |
Stop Lamps | 1 Red | On the rear, on the vertical centerline except that if two are used, they must be symmetrically disposed about the vertical centerline | Not less than 15 inches, nor more than 72 inches | Steady burning. |
Must be activated upon application of the service brakes. | ||||
When optically combined with a turn signal lamp, the circuit must be such that the stop signal cannot be activated if the turn signal lamp is flashing. May also be activated by a device designed to retard the motion of the vehicle. | ||||
Reflex Reflectors | 2 Amber | On each side as far to the front as practicable | Not less than 15 inches, nor more than 60 inches | Not applicable. |
2 Red | On each side as far to the rear as practicable | |||
1 Red | On the rear, on the vertical centerline except that, if two are used on the rear, they must be symmetrically disposed about the vertical centerline | |||
License Plate Lamp | 1 White | On the rear to illuminate license plate | No requirement | Steady burning. |
Additional lamps permitted to meet requirements | Must be activated when the headlamps are activated in a steady burning state. |
Table II and additional light standard information is available at web site: https:www.ecfr.gov/cgi-bin/text-idx?node=se49.6.571_1108
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Haw. Code R. § Exhibit A