For - 2025 For Silverado 1500 2500HD 3500HD GMC Sierra 1500 2500HD 3500HD 56003 Trailer Wiring Harness

High-concerned chemical：none Manufacturer Part Number：56003 Origin：Mainland China Material：plastic Specification 1：4Pin Connector Towing Wiring Kit Specification 2：56003 Trailer Wiring Harness Specification 3：RV Blade Wiring Harness Specification 4：Trailer tail light power cord Specification 5：trailer wiring extension cable

High-concerned chemical: none Manufacturer Part Number: 56003 Origin: Mainland China Material: plastic Specification 1: 4Pin Connector Towing Wiring Kit Specification 2: 56003 Trailer Wiring Harness Specification 3: RV Blade Wiring Harness Specification 4: Trailer tail light power cord Specification 5: trailer wiring extension cable