7-PIN TRAILER WIRING PLUG: Compatible with 1997-2014 F-150, 1997 F-250 HD, 1997-1999 F-250, 1999-2016 F-250 Super Duty, 1999-2024 F-350 Super Duty, 1999-2024 F-450 Super Duty, 1999-2024 F-550 Super Duty, 1999-2018 GMC Sierra 1500, 1999-2021 GMC Sierra 2500 2500HD, 2001-2021 GMC Sierra 3500 3500HD.
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