Dorman 645-141 Trailer Wiring Harness Connector

Overview

This Dorman trailer wiring harness connector is a female pigtail connector built for electrical repairs and accessory installations. It provides a quick way to disconnect circuits for service while maintaining reliable performance in demanding automotive applications. Part number 645-141 is a direct-fit electrical connector solution for a wide range of Ford, Lincoln, and Mercury vehicles.

Key Features

• Female 7-cavity connector for trailer wiring and related electrical repairs
• Black round housing with brass terminals for dependable conductivity
• 406 mm overall harness length for flexible routing during repair work
• Uses mixed wire gauges: 10 ga., 16 ga., and 18 ga.
• Designed for service disconnects and accessory installation work

Fitment Details

Compatible With 1997-2024 Ford Explorer, N/A, 7 cavity. Compatible With 2021-2024 Ford F-650, N/A, 7 cavity. Compatible With 2016-2019 Ford F-650, N/A, 7 cavity. Compatible With 2021-2024 Ford F-750, N/A, 7 cavity. Compatible With 2016-2019 Ford F-750, N/A, 7 cavity. Compatible With 2013-2024 Ford Police Interceptor Utility, N/A, 7 cavity. Compatible With 2020-2024 Lincoln Aviator, N/A, 7 cavity. Compatible With 2003-2005 Lincoln Aviator, N/A, 7 cavity. Compatible With 2022-2023 Ford Bronco, N/A, 7 cavity. Compatible With 1999-2023 Ford Expedition, N/A, 7 cavity. Compatible With 2021-2023 Ford F-150, N/A, 7 cavity. Compatible With 1997-2017 Ford F-150, N/A, 7 cavity. Compatible With 1999-2023 Ford F-250 Super Duty, N/A, 7 cavity. Compatible With 1999-2023 Ford F-350 Super Duty, N/A, 7 cavity. Compatible With 1999-2023 Ford F-450 Super Duty, N/A, 7 cavity. Compatible With 1999-2023 Ford F-550 Super Duty, N/A, 7 cavity. Compatible With 2020-2023 Ford F-600 Super Duty, N/A, 7 cavity. Compatible With 2021-2023 Ford Lobo, N/A, 7 cavity. Compatible With 1997-2017 Ford Lobo, N/A, 7 cavity. Compatible With 2022-2023 Ford Maverick, N/A, 7 cavity. Compatible With 2019-2023 Ford Ranger, N/A, 7 cavity. Compatible With 2015-2023 Ford Transit, N/A, 7 cavity. Compatible With 2015-2023 Ford Transit-150, N/A, 7 cavity. Compatible With 2015-2023 Ford Transit-250, N/A, 7 cavity. Compatible With 2015-2023 Ford Transit-350, N/A, 7 cavity. Compatible With 2015-2023 Ford Transit-350 HD, N/A, 7 cavity. Compatible With 1999-2023 Lincoln Navigator, N/A, 7 cavity. Compatible With 2009-2019 Ford Flex, N/A, 7 cavity. Compatible With 2010-2019 Lincoln MKT, N/A, 7 cavity. Compatible With 2010-2018 Ford E-350 Super Duty, N/A, 7 cavity. Compatible With 2010-2018 Ford E-450 Super Duty, N/A, 7 cavity. Compatible With 2010-2014 Ford E-150, N/A, 7 cavity. Compatible With 2010-2014 Ford E-250, N/A, 7 cavity. Compatible With 2010-2014 Ford Econoline Van, N/A, 7 cavity. Compatible With 2010-2014 Ford Econoline Wagon, N/A, 7 cavity. Compatible With 2010-2014 Lincoln Mark LT, N/A, 7 cavity. Compatible With 2006-2008 Lincoln Mark LT, N/A, 7 cavity. Compatible With 2009-2010 Ford Explorer Sport Trac, N/A, 7 cavity. Compatible With 2002-2010 Mercury Mountaineer, N/A, 7 cavity. Compatible With 2004 Ford F-150 Heritage, N/A, 7 cavity. Compatible With 2002-2003 Lincoln Blackwood, N/A, 7 cavity. Compatible With 2000-2001 Ford Excursion, N/A, 7 cavity. Compatible With 1997-1999 Ford F-250, N/A, 7 cavity.

What It Helps Fix

• Damaged or worn trailer wiring connector housings
• Intermittent electrical connection at the harness interface
• Service interruptions caused by a failed pigtail connector
• Accessory wiring repairs that require a clean circuit disconnect
• Corroded or unreliable connector terminals

Installation Notes

Use this connector when replacing a damaged trailer wiring pigtail or repairing an existing electrical connection. Match the 7-cavity configuration and wire gauge requirements before installation. Verify circuit function after wiring is completed to confirm proper connection and continuity.

Quality Assurance

Dorman engineers this connector for reliable performance in electrical repair applications. Part number 645-141 cross-references Ford OE numbers 3U2Z14S411JXA and 3U2Z14S411JXB for the same application.

Fits 1997-2024 Ford Explorer, 7 cavity. Fits 2021-2024 Ford F-650, 7 cavity. Fits 2016-2019 Ford F-650, 7 cavity. Fits 2021-2024 Ford F-750, 7 cavity. Fits 2016-2019 Ford F-750, 7 cavity. Fits 2013-2024 Ford Police Interceptor Utility, 7 cavity. Fits 2020-2024 Lincoln Aviator, 7 cavity. Fits 2003-2005 Lincoln Aviator, 7 cavity. Fits 2022-2023 Ford Bronco, 7 cavity. Fits 1999-2023 Ford Expedition, 7 cavity. Fits 2021-2023 Ford F-150, 7 cavity. Fits 1997-2017 Ford F-150, 7 cavity. Fits 1999-2023 Ford F-250 Super Duty, 7 cavity. Fits 1999-2023 Ford F-350 Super Duty, 7 cavity. Fits 1999-2023 Ford F-450 Super Duty, 7 cavity. Fits 1999-2023 Ford F-550 Super Duty, 7 cavity. Fits 2020-2023 Ford F-600 Super Duty, 7 cavity. Fits 2021-2023 Ford Lobo, 7 cavity. Fits 1997-2017 Ford Lobo, 7 cavity. Fits 2022-2023 Ford Maverick, 7 cavity. Fits 2019-2023 Ford Ranger, 7 cavity. Fits 2015-2023 Ford Transit, 7 cavity. Fits 2015-2023 Ford Transit-150, 7 cavity. Fits 2015-2023 Ford Transit-250, 7 cavity. Fits 2015-2023 Ford Transit-350, 7 cavity. Fits 2015-2023 Ford Transit-350 HD, 7 cavity. Fits 1999-2023 Lincoln Navigator, 7 cavity. Fits 2009-2019 Ford Flex, 7 cavity. Fits 2010-2019 Lincoln MKT, 7 cavity. Fits 2010-2018 Ford E-350 Super Duty, 7 cavity. Fits 2010-2018 Ford E-450 Super Duty, 7 cavity. Fits 2010-2014 Ford E-150, 7 cavity. Fits 2010-2014 Ford E-250, 7 cavity. Fits 2010-2014 Ford Econoline Van, 7 cavity. Fits 2010-2014 Ford Econoline Wagon, 7 cavity. Fits 2010-2014 Lincoln Mark LT, 7 cavity. Fits 2006-2008 Lincoln Mark LT, 7 cavity. Fits 2009-2010 Ford Explorer Sport Trac, 7 cavity. Fits 2002-2010 Mercury Mountaineer, 7 cavity. Fits 2004 Ford F-150 Heritage, 7 cavity. Fits 2002-2003 Lincoln Blackwood, 7 cavity. Fits 2000-2001 Ford Excursion, 7 cavity. Fits 1997-1999 Ford F-250, 7 cavity.