CURT 4-Way Wiring: Ford Edge, Escape & Mazda CX-5 Fit Guide
Adding a 4-way flat trailer-light connector is easier when the harness matches the vehicle's actual taillight wiring. CURT makes different custom T-connector kits for Ford Edge trim packages, Ford Escape model years and Mazda CX-5 generations. Match the year and trim before ordering.
Start with the vehicle, then the harness
Ford Edge
2015–2018 SE/SEL: CURT 56272. Sport/Titanium of the same years: CURT 56292. Trim package determines the correct listed part.
Ford Escape
CURT 56335 covers listed 2013–2016 trims. CURT 56320 covers 2017–2018, excluding SE. Don't assume every year/trim uses one plug arrangement.
Mazda CX-5
CURT 56310 is listed for 2016, while 56377 covers 2017–2021. Model year is the primary distinction in this pair.
CURT custom 4-way harness fitment chart
| CURT MPN | Vehicle | Model years | Fitment qualifier | Output |
|---|---|---|---|---|
| 56272 | Ford Edge | 2015–2018 | SE or SEL | 4-way flat |
| 56292 | Ford Edge | 2015–2018 | Sport or Titanium | 4-way flat |
| 56335 | Ford Escape | 2013–2016 | S, SE, Titanium; SEL only 2013 | 4-way flat |
| 56320 | Ford Escape | 2017–2018 | Excluding SE | 4-way flat |
| 56310 | Mazda CX-5 | 2016 | Listed 2016 model | 4-way flat |
| 56377 | Mazda CX-5 | 2017–2021 | Listed model years | 4-way flat |
Four installation checks
- Confirm the exact model year, trim level and taillight connector arrangement using CURT's vehicle application data.
- These custom kits supply a 4-way flat trailer-lighting output for running, brake and turn lights; they do not provide an electric trailer brake controller connection or 7-way RV socket by themselves.
- Where specified by the kit, run the fused power lead to the vehicle battery and secure the converter and ground connection according to the manufacturer.
- Follow the vehicle's towing limitations and CURT's installation instructions. Test the trailer lights after installation, and never assume adjacent years or trims use the same harness.
The four trailer-lighting terminals perform the same basic functions, but the vehicle-side T-connectors and powered converter are not necessarily interchangeable across applications.
Shop the exact CURT 4-way wiring kit
Open the manufacturer part number matching the vehicle's verified application.
CURT 56377 · Mazda CX-5
2017–2021 · Listed model years
Not for the separate 2016 harness application
Other towing electrical references
See CURT receiver hitch pins and locks for the matching mechanical components of the towing setup.
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