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| Electrical System Type | 2W |
| Finish | N/A |
| Material | Blank |
| Mount Type Description | Blank |
| Output Type | 4-Way Flat |
| Side Application Type Description | Blank |
| T-Connector Location | S5 |
| Warranty | One-Year Limited Warranty |

CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-94941 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2010 - 2023 | Lexus RX350 | Excluding F Sport |
The 10-23 Lexus RX350 Excluding F Sport CURT 4-flat Plug and Play Trailer Wiring (Part #CTW1701) fits the following vehicles: 2010-2023 Lexus RX350. Always verify your specific year, make, and model before ordering.
The 10-23 Lexus RX350 Excluding F Sport CURT 4-flat Plug and Play Trailer Wiring (Part #CTW1701) fits 2010-2023 Lexus RX350 models. The 2023 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 10-23 Lexus RX350 Excluding F Sport CURT 4-flat Plug and Play Trailer Wiring (Part #CTW1701) is designed to fit the 2010-2023 Lexus RX350.
The 10-23 Lexus RX350 Excluding F Sport CURT 4-flat Plug and Play Trailer Wiring (Part #CTW1701) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The Curt 56083 custom wiring connector is designed for Lexus RX 350 models equipped with a tow package. If your RX 350 has the tow package, the connector will fit. If you are unsure whether your vehicle has the tow package, check your vehicle owner's manual or contact the vehicle manufacturer.
Yes, the Curt 56083 custom wiring connector is compatible with the Lexus RX 450h.
Some RX 350 models may need to be programmed to accept the custom wiring connector. This programming must be done by a Lexus dealer. Check with your dealer to determine whether your specific vehicle requires programming.
The Curt 56083 includes the custom wiring connector, a protective cap for the vehicle plug, cable ties for securing loose wires, and a 4-flat dust cover to help prevent corrosion.
1. Locate the vehicle taillight wiring connector and remove the protective cap. 2. Insert the custom wiring connector end into the vehicle connector, ensuring the connectors are fully inserted with locking tabs in place. 3. Route the 4-flat connector to the center of the vehicle and out of the trunk when in use; roll up and store inside the trunk when not in use. Secure loose wires with the provided cable ties. 4. Some models may require dealer programming. 5. Reinstall all removed items and install the provided 4-flat dust cover.
The vehicle taillight wiring connector is located behind the driver side rear bumper. The manual refers to this location as 'S5' and shows a representative vehicle diagram, but for specific location details on your model, check your vehicle owner's manual or contact the vehicle manufacturer.
When not in use, roll up the 4-flat connector and store it in a convenient, out-of-the-way location inside the trunk. When in use, route the 4-flat to the center of the vehicle and out of the trunk. Secure any loose wires with the provided cable ties.
Do not exceed the product rating or the tow vehicle lamp load rating, whichever is lower. Exceeding the product rating can cause loss of warranty, overheating and potential fire. For the specific product rating, refer to the product documentation or contact Curt Manufacturing.
Test for proper function by using a test light or connecting a properly wired trailer. All steps must be followed to ensure the wiring connector will function properly.
The provided 4-flat dust cover helps prevent corrosion of the connector. Install it after completing the wiring connector installation.
Yes, the Curt 56083 is designed for Lexus RX 350 with tow package and RX 450h. Some models may require dealer programming.
The manual lists no tools as needed for installation. The connector plugs directly into the vehicle taillight wiring connector.
The manual does not specify whether bumper removal is required. The connector is located behind the driver side rear bumper. Check your vehicle owner's manual or contact the vehicle manufacturer for access instructions.
Do not exceed the product rating or tow vehicle lamp load rating, whichever is lower. Exceeding the rating can cause loss of warranty, overheating and potential fire. Refer to product documentation for the specific rating.
Test for proper function using a test light or by connecting a properly wired trailer.



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