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Service bulletin SS719-WST2021

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10202739
Published by NHTSA2021-11-03
Manufacturer's numberSS719-WST2021
Manufacturer's date2021-10-20
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

Beacon Light Wiring Harness. Customer installed beacon lights intermittent operation, flicker, do not flash. XMC allows for up to 2amp lights to be used for beacon light installations, some beacon lights in the aftermarket installations are 5amp and greater.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Lighting

Vehicles listed
WESTERN STAR 49X2021 to 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.