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SAE J1432 (FEB2026)

High Mounted Stop and Turn Signal Lamp for Use on Vehicles 2032 mm or More in Overall Width
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SAE J1432 (FEB2026)

High Mounted Stop and Turn Signal Lamp for Use on Vehicles 2032 mm or More in Overall Width

PUBLISH DATE 2026
SAE J1432 (FEB2026)
This SAE Recommended Practice provides test procedures, requirements, and guidelines for high-mounted stop lamps and high-mounted turn signal lamps intended for use on vehicles 2032 mm or more in overall width. This document applies to trucks, motor coaches, van type trailers, and other vehicles with permanent structure greater than 2800 mm high. This document does not apply to school buses, truck tractors, pole trailers, flat-bed trailers, pick-up trucks with dual wheels, and trailer converter dollies. The purpose of the high-mounted stop lamp(s) and high-mounted turn signal lamp(s) is to provide a signal to the driver of following (approaching a signaling vehicle from the rear) or oncoming (approaching a signaling vehicle from the front) vehicles over intervening vehicles.
SDO SAE: SAE International
Document Number J1432
Publication Date Feb. 10, 2026
Language en - English
Page Count
Revision Level 202602
Supercedes
Committee
Publish Date Document Id Type View
Feb. 10, 2026 J1432_202602 Revision
Jan. 20, 2016 J1432_201601 Revision
May 20, 2010 J1432_201005 Revision
April 3, 2006 J1432_200604 Revision
March 8, 2000 J1432_200003 Revision
Sept. 1, 1997 J1432_199709 Revision
Oct. 1, 1988 J1432_198810 Revision