WenmarOpen by Wenmar Pro

Service bulletin WSB-54-60

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 id10056990
Published by NHTSA2015-03-25
Manufacturer's numberWSB-54-60
Manufacturer's date2014-10-01
NHTSA componentELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

NHTSA's summary

WESTERN STAR: POOR FUSE RETENTION MAY BE EXPERIENCE ON SOME POWERNET DISTRIBUTION BOX (PNDB), CAUSING INTERMITTENT OPERATION OF SUPPLIED DEVICES BY THESE CIRCUITS. MODEL 4800, 4900, 4700, 5900, 6900. *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 WESTERN STAR

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