Dorman 645-170 Trailer Tow Harness Connector
Dorman 645-170 Trailer Tow Harness Connector
Dorman 645-170 is a female trailer tow harness connector with leads for 7-way electrical repairs and accessory installations. It is built for quick circuit disconnection during service and for dependable trailer wiring connections on select Chevrolet, GMC, and related applications.
Key Features
- Female 7-way trailer tow harness connector with leads
- Supports electrical repair and accessory installation work
- Allows fast circuit separation for service and diagnostics
- Wire harness length: 16
- Wire gauge coverage: 10, 12, 16, and 18
- Blade terminal design with 7 wire and 7 terminal positions
- Available in black, blue, gray, red, and yellow color variants
Detailed Description
This Dorman trailer tow harness connector is engineered for serviceable wiring repairs where a 7-way female connection is required. The pigtail-style design helps restore or replace damaged trailer wiring connections while keeping circuit access straightforward. Dorman 645-170 is a practical choice for trucks and SUVs that use a 7 Way Female w/Leads configuration, including Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, and GMC Yukon applications.
This part cross-references OE-style numbers 15306164 and S1344 for the same application. The Dorman 645-170 connector is also listed for Chevrolet Colorado, GMC Canyon, Chevrolet Equinox, GMC Terrain, Chevrolet Express, GMC Savana, Trailblazer, and Envoy fitments where the vehicle uses the specified 7-way female connector setup.
What It Helps Fix
- Broken or corroded trailer tow harness connector terminals
- Intermittent trailer light or power connection issues
- Damaged wiring at the rear tow connector
- Service interruptions caused by hard-to-separate circuits
- Electrical repair needs on 7-way trailer wiring systems
Installation Notes and Tips
Verify the vehicle uses a 7 Way Female w/Leads connector before installation. Match wire colors and circuit functions to the existing harness, and confirm terminal orientation and wire gauge before splicing. This part is listed for 2018-2021 Chevrolet Silverado 1500, 2018-2021 GMC Sierra 1500, 2019-2021 Chevrolet Colorado, and other select Chevrolet and GMC models with the same connector style.
Quality Assurance
Dorman designs this connector for reliable electrical service and durable repair use. It is intended to support consistent trailer tow harness performance on the listed applications.
Dorman 645-170 Trailer Tow Harness Connector
Dorman 645-170 Trailer Tow Harness Connector
Dorman 645-170 is a female trailer tow harness connector with leads for 7-way electrical repairs and accessory installations. It is built for quick circuit disconnection during service and for dependable trailer wiring connections on select Chevrolet, GMC, and related applications.
Key Features
- Female 7-way trailer tow harness connector with leads
- Supports electrical repair and accessory installation work
- Allows fast circuit separation for service and diagnostics
- Wire harness length: 16
- Wire gauge coverage: 10, 12, 16, and 18
- Blade terminal design with 7 wire and 7 terminal positions
- Available in black, blue, gray, red, and yellow color variants
Detailed Description
This Dorman trailer tow harness connector is engineered for serviceable wiring repairs where a 7-way female connection is required. The pigtail-style design helps restore or replace damaged trailer wiring connections while keeping circuit access straightforward. Dorman 645-170 is a practical choice for trucks and SUVs that use a 7 Way Female w/Leads configuration, including Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, and GMC Yukon applications.
This part cross-references OE-style numbers 15306164 and S1344 for the same application. The Dorman 645-170 connector is also listed for Chevrolet Colorado, GMC Canyon, Chevrolet Equinox, GMC Terrain, Chevrolet Express, GMC Savana, Trailblazer, and Envoy fitments where the vehicle uses the specified 7-way female connector setup.
What It Helps Fix
- Broken or corroded trailer tow harness connector terminals
- Intermittent trailer light or power connection issues
- Damaged wiring at the rear tow connector
- Service interruptions caused by hard-to-separate circuits
- Electrical repair needs on 7-way trailer wiring systems
Installation Notes and Tips
Verify the vehicle uses a 7 Way Female w/Leads connector before installation. Match wire colors and circuit functions to the existing harness, and confirm terminal orientation and wire gauge before splicing. This part is listed for 2018-2021 Chevrolet Silverado 1500, 2018-2021 GMC Sierra 1500, 2019-2021 Chevrolet Colorado, and other select Chevrolet and GMC models with the same connector style.
Quality Assurance
Dorman designs this connector for reliable electrical service and durable repair use. It is intended to support consistent trailer tow harness performance on the listed applications.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 645-170 Trailer Tow Harness Connector
Dorman 645-170 is a female trailer tow harness connector with leads for 7-way electrical repairs and accessory installations. It is built for quick circuit disconnection during service and for dependable trailer wiring connections on select Chevrolet, GMC, and related applications.
Key Features
- Female 7-way trailer tow harness connector with leads
- Supports electrical repair and accessory installation work
- Allows fast circuit separation for service and diagnostics
- Wire harness length: 16
- Wire gauge coverage: 10, 12, 16, and 18
- Blade terminal design with 7 wire and 7 terminal positions
- Available in black, blue, gray, red, and yellow color variants
Detailed Description
This Dorman trailer tow harness connector is engineered for serviceable wiring repairs where a 7-way female connection is required. The pigtail-style design helps restore or replace damaged trailer wiring connections while keeping circuit access straightforward. Dorman 645-170 is a practical choice for trucks and SUVs that use a 7 Way Female w/Leads configuration, including Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, and GMC Yukon applications.
This part cross-references OE-style numbers 15306164 and S1344 for the same application. The Dorman 645-170 connector is also listed for Chevrolet Colorado, GMC Canyon, Chevrolet Equinox, GMC Terrain, Chevrolet Express, GMC Savana, Trailblazer, and Envoy fitments where the vehicle uses the specified 7-way female connector setup.
What It Helps Fix
- Broken or corroded trailer tow harness connector terminals
- Intermittent trailer light or power connection issues
- Damaged wiring at the rear tow connector
- Service interruptions caused by hard-to-separate circuits
- Electrical repair needs on 7-way trailer wiring systems
Installation Notes and Tips
Verify the vehicle uses a 7 Way Female w/Leads connector before installation. Match wire colors and circuit functions to the existing harness, and confirm terminal orientation and wire gauge before splicing. This part is listed for 2018-2021 Chevrolet Silverado 1500, 2018-2021 GMC Sierra 1500, 2019-2021 Chevrolet Colorado, and other select Chevrolet and GMC models with the same connector style.
Quality Assurance
Dorman designs this connector for reliable electrical service and durable repair use. It is intended to support consistent trailer tow harness performance on the listed applications.
