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Curt 56338 Custom Wiring Connector for Mazda CX-9 2016-2021

Brand: Curt
Part Number: 56338
Product Type: Wiring Connector
Vehicle Fitment: Mazda CX-9 2016-2021
Notes: Factory (OEM) tow package required for installation, Vehicle battery connection required, Includes fuse holder and other necessary wiring components
Condition: New
Shipping: Flat Rate Shipping
Was: $99.54
Sale: $69.68
Save: 30%
Save: $29.86



Curt custom wiring provides everything you need to connect your vehicle's electrical system to a trailer. With a plug-and-play connector, a custom wiring connector easily integrates with your vehicle to provide a standard trailer wiring connector, typically in the form of a 4-way flat.

This custom wiring connector features a vehicle-specific design to perfectly fit certain years of the Mazda CX9 (factory tow package required; to verify vehicle compatibility, see the CURT application guide or use the Vehicle Lookup on the CURT website). It uses an OEM-compatible connector to plug into the vehicle's OEM socket and provides a standard 4-way flat output to power the taillights, brake lights and turn signals on your trailer.


  • Plugs into existing OEM vehicle socket to provide a 4-way flat socket
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • Equipped with tail light converter for vehicle-trailer compatibility
  • Constructed with SMT circuitry for better performance and durability
  • Dust cover included to keep connector clean when not in use
  • Backed by a limited one-year warranty


  • T-Connector Location: S4
  • Turn and Brake Circuits: 3 amps
  • Tail Light Circuits: 6 amps
  • Electrical System Type: 3W
  • Output Type: 4-Way Flat
  • Battery Powered: Yes
  • Converter Type: Circuit Protected, Powered, Potted
  • Installation Difficulty: Moderate

Vehicle Fitment 

Year Make Model
2016-2021 Mazda CX-9

Technical Files 

Installation Instructions



Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W1.0000” x H1.0000” x L1.0000”
  • $14.95
  • Flat Rate Shipping

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