Product Code:SAE J1398 Title:Stop Lamps for Use on Motor Vehicles 2032 mm or More in Overall Width (Cancelled Aug 1996) Issuing Committee:Heavy Duty Lighting Standards Committee Scope:This SAE Standard provides test procedures, requirements, and guidelines for stop lamps intended for use on vehicles 2032 mm or more in overall width. Stop lamps conforming to the requirements of this document may be used on vehicles less than 2032 mm in overall width.