{"nhtsa_id":46496,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1996-04-25","date":"1995-12-01","document_id":"084995","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"WHENEVER AN OIL PRESSURE SENSOR IS REPLACED, BE SURE TO CHECK THE POLARITY OF THE TERMINALS IN THE HARNESS CONNECTOR. INCORRECT POLARITY CAN LEAD TO PREMATURE FAILURE OF THE SENSOR. DISASSEMBLE THE CONNECTOR AND REVERSE THE WIRES.","document":null,"url":"https://open.wenmarpro.com/bulletins/46496","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"CHEROKEE","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_jeep_cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_jeep_grand-cherokee"]}],"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":[]}