Parts Needed to Add 4-Way and 5-Way to 2023 Ford Explorer XLT
Updated 01/27/2026 | Published 08/25/2024
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Question:
I have a 2023 Ford Explorer XLT that does not have OEM trailer wiring. I have trailers that have the 4 flat plug but now I also need a 5 flat plug for a boat trailer that has surge brakes and needs a 5th wire from the reverse lights. What do I need to connect to both 4 and 5 flat trailer plugs?
asked by: Fred W
Expert Reply:
Hello Fred; to add a 4-way to your 2023 Explorer XLT you need the Curt T-Connector Vehicle Wiring Harness # C56093. This plugs into the connection points in your rear cargo area. You will also need the Curt Trailer Connector Adapter # C57187 which will add the 5-way connection. You can plug both the 4-way and 5-way from your trailers into the 5-way on the adapter.
Product Page this Question was Asked From
Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Vehicle End Connector
- Powered Converter
- No Tow Package
- 4 Flat
- Plug and Lead
- Plug-In
- Hidden
- CURT
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Robin H.
1/27/2026
Hey Fred, how did things go with the Curt wiring harness and adapter on your Explorer? Did both your 4-way and 5-way trailer plugs connect the way you needed? Your update could make it easier for the next person with the same setup.