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Service bulletin 54-46

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 id10026121
Published by NHTSA2008-10-01
Manufacturer's number54-46
Manufacturer's date2008-07-01
NHTSA componentELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

NHTSA's summary

WESTERN STAR: PROTECTING MEGA FUSES WITH DIELECTRIC ENAMEL. PROTECTIVE COVER, SEALED TO THE FRONTWALL, PREVENTS WATER FROM DRIPPING DIRECTLY ON THE FUSES. MODEL YEARS ARE UNKNOWN. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Wiring and fuses

Vehicles listed
WESTERN STAR CONSTELLATION

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