Side marker lamps are not required on vehicles under 80″ in width, but if present must be amber to the front, and red to the rear only.RCW 46.37.180 (Shall not be used in lieu of headlamps. Must be located between 16″ and 42″ off the ground.Must be white or amber in color WAC 204–21–100.RCW 46.37.180 (Shall not be used in lieu of headlamps.) Must be located between 24″ and 42″ off the ground.The inner edge of the lens retaining rings must not be closer than 4″ to the optical center of the front turn signal lamp.Must be located between 12″ and 30″ off the ground.Must be located no more than 54″, nor less than 24″ from the ground to the center of the light.If customized, then no closer than at the time of manufacture. If installed after 1975, not closer than 12″ from the centerline of the vehicle, but as far apart as practicable.Lights are required to be turned on from a half hour after sunset, to a half hour before sunrise, and at any other times when persons and vehicles are not clearly discernable at 1000 ft.Note: A halogen headlight cannot be converted to a high intensity discharge (HID) headlight as replacing a halogen bulb with a HID bulb renders the headlamps performance dangerous and noncompliant with applicable regulations. Each lamp must be equipped with the type of bulb for which it was designed.Additionally, they must be marked with a circled uppercase E or boxed lowercase e. Must also meet requirements outlined in FMVSS 108 and be marked “DOT” or of ECE regulations.FMVSS 108 disallows any color coating on headlights and or headlight bulbs. All headlamp bulbs must be white in color as defined by Society of Automotive Engineers and FMVSS 108.Part 571.108 (FMVSS 108) or chapter 37 RCW.įront– A maximum of four of the below listed lamps may be on at one time. The addition of an aftermarket style ornament or other feature such as tinted plastic glass covers, a grille or slotted covers must not be placed in front of the headlamp lens, or in front of any other lighting devices installed on motor vehicles which impair the effectiveness of lighting equipment required under 49 C.F.R.No additional lamp, reflective device, or other motor vehicle equipment shall be added which impairs the effectiveness of the lamp standard.Lighting covers are prohibited WAC 204–21–230
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