{"nhtsa_id":10018925,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-01-25","date":null,"document_id":"3815","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"INSTALLING TRAILER WIRING HARNESS WITHOUT THE Z82 OPTION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10018925","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2003,"year_to":2006,"match":"exact","vehicle_ids":["2003_chevrolet_express","2004_chevrolet_express","2005_chevrolet_express","2006_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2003,"year_to":2006,"match":"exact","vehicle_ids":["2003_gmc_savana","2004_gmc_savana","2005_gmc_savana","2006_gmc_savana"]}],"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":[]}