{"nhtsa_id":631252,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-05-21","date":"2002-04-16","document_id":"SFN0236","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"SOME REAR AXLE COMBINATIONS BUILT ON OR BEFORE MARCH 12, 2002 MAY HAVE BEEN ASSEMBLED WITH INCOMPLETE WIRING IN CIRCUIT 49 BETWEEN THE DASH/CENTER CHASSIS CONNECTOR AND THE FORWARD REAR AXLE DIFFERENTIAL CONNECTOR. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/631252","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"INTERNATIONAL HARVESTER","model":"4400","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL HARVESTER","model":"7400","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL HARVESTER","model":"7500","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":[]}