{"nhtsa_id":10056990,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-03-25","date":"2014-10-01","document_id":"WSB-54-60","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS","mfr_system":null,"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","document":null,"url":"https://open.wenmarpro.com/bulletins/10056990","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"WESTERN STAR","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}