Interpretation ID: 86-2.25

TYPE: INTERPRETATION-NHTSA

DATE: 04/21/86

FROM: AUTHOR UNAVAILABLE; Erika Z. Jones; NHTSA

TO: Dave Trowbridge

TITLE: FMVSS INTERPRETATION

TEXT:

Mr. Dave Trowbridge Aftermarket Sale Creation Windows of Indiana, Inc. P.O. Box 1046 Elkhart, Indiana 46515

Dear Mr. Trowbridge:

This is in reply to your letter of February 25, 1986, with reference to a design for a center high-mounted stop lamp intended for pickup covers or shells. You have asked for our advice regarding the applicability of Federal motor vehicle safety standards.

The center high-mounted stop lamp is required only on passenger cars, and its specifications apply only to original or replacement equipment on cars manufactured on or after September 1, 1985. There are no requirements for aftermarket applications such as you envision. The legality of your device would be determined under the laws of a State where the lamp is installed or used.

We would recommend, however, that you attempt to conform your device as closely as possible to Federal requirements, such as an illuminated lens area of not less than 4 square inches, and mounted in such a manner as to minimize reflections in the rear glass. A copy of the Federal standard is enclosed.

I hope that this answers your questions. We appreciate your interest in motor vehicle safety.

Sincerely,

Erika Z. Jones Chief Counsel

Enclosure

February 25, 1986 Office of Chief Counsel National Highway Traffic Safety Assn. 400 7th Street Southwest Washington, DC 20590

Gentlemen:

We are manufacturers of custom windows and doors for the recreational vehicle market, automotive aftermarket and second party vehicle manufacturers. Of particular concern is our production and design of the "3rd stop light" to our door assemblies for pickup cover doors (see attached).

Our doors are supplied to manufacturers of these covers or shells and will be supplied with this added safety feature.

Your assistance, at your earliest possible convenience, is appreciated in advance regarding those pertinent and applicable NHTSA, FMVSS or other specifications that may apply to the mounting of this light assembly to the inside of the door assemblies we manufacture for our customers. The light assembly itself will be either sourced or manufactured with concern for those specifications that may apply to the light and its visibility, wiring, etc.

Cordially, Dave Trowbridge Aftermarket Sales

DT/jb

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