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Ford Bronco (2021–2026, Non-LED Taillights) Flat-4 Wiring Installation

2021–2026, Non-LED Taillights Ford Bronco trailer wiring installation

Vehicle Coverage: 2021–2026 Ford Bronco with non-LED taillights
Wiring system: Vehicle-specific powered harness
Output: 4-Way Flat
Connection: Vehicle-specific taillight T-connectors
Installation Time: Up to 2 hours

the vehicle-specific wiring harness connects at both taillight assemblies and uses a protected powered converter for reliable trailer-light operation. The installation does not cut the Bronco's factory wiring.

Connector Location: The trailer connector is routed outside the vehicle and secured beside the hitch for ready access; it is not stored loose inside the cargo area.

1. Verifying the Taillight Configuration

We confirm the Bronco has non-LED taillights, document rear-light operation, and disconnect vehicle power.

2. Opening Driver- and Passenger-Side Access

The rear lamps and required trim are removed carefully so both factory lighting connectors can be reached.

3. Installing the Vehicle-Specific Harness

The yellow-wire and green-wire T-connectors are seated between the factory plugs and lamps, and the converter is mounted in a protected area.

4. Routing Battery Power and the Trailer Plug

The fused power lead is supported from the rear of the vehicle to the battery, and the 4-flat is routed cleanly to the hitch.

5. Circuit Testing and Restoration

All basic trailer-light functions are verified before the lamps, trim, and battery connection are restored.

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Serving Upstate South Carolina:

Anderson • Boiling Springs • Clemson • Easley  • Fountain Inn • Gaffney • Greenville • Greenwood • Greer • Laurens • Mauldin • Simpsonville • Spartanburg • Taylors • Travelers Rest 

Serving Western North Carolina:

Arden • Asheville • Black Mountain • Brevard • Candler • Hendersonville • Waynesville • Weaverville • Woodfin

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