{"nhtsa_id":604130,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-04-14","date":"1997-08-13","document_id":"870","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT","mfr_system":null,"summary":"TECHNICAL SERVICE BROADCAST ON CORRECT INSTALLATION OF FAN SPEED CONTROLLER. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/604130","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"SAAB","model":"900","year_from":1994,"year_to":1997,"match":"exact","vehicle_ids":["1994_saab_900","1995_saab_900","1996_saab_900","1997_saab_900"]}],"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":[]}