{"nhtsa_id":10021847,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-06-22","date":"2007-10-01","document_id":"070845001","mfr_campaign":null,"replaces":"070845001B","component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"PROCEDURE FOR INSTALLATION OF AN AFTERMARKET TRAILER BRAKE CONTROLLER IN LIEU OF FACTORY INSTALLED INTEGRATED TRAILER BRAKE CONTROLLER. *KB UPDATED 11/02/07. *NJ UPDATED 2/19/08. *NJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10021847","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_chevrolet_silverado","2008_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_chevrolet_silverado","2008_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_chevrolet_silverado","2008_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_gmc_sierra"]},{"make":"GMC","model":"SIERRA 1500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra"]}],"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":[]}