{"nhtsa_id":601241,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-07-14","date":"1998-04-27","document_id":"98810","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"SOME CUSTOMERS MAY REQUIRE A HEAVY DUTY 7-WAY TRAILER WIRING CONNECTOR SYSTEM WHEN THE VEHICLE IS EQUIPPED WITH A 4-WAY CONNECTOR. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/601241","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":1996,"year_to":1997,"match":"base","vehicle_ids":["1996_ford_f-250","1997_ford_f-250"]},{"make":"FORD","model":"F-350","year_from":1996,"year_to":1997,"match":"exact","vehicle_ids":["1996_ford_f-350","1997_ford_f-350"]},{"make":"FORD","model":"SUPER DUTY F SERIES","year_from":1999,"year_to":1999,"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":[]}