{"nhtsa_id":48427,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-11-01","date":"1980-06-01","document_id":"80-4-34-S","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:TURN SIGNAL:SWITCH","mfr_system":null,"summary":"UNKNOWN","document":null,"url":"https://open.wenmarpro.com/bulletins/48427","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"turn-signal","name":"Turn signals","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"FAIRMONT","year_from":1980,"year_to":1980,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"MUSTANG","year_from":1980,"year_to":1980,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"THUNDERBIRD","year_from":1980,"year_to":1980,"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":[]}