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Vehicle battery connection required
Includes fuse holder, battery connection wiring and other necessary wiring components
Includes fuse holder, battery connection wiring and other necessary wiring components
Warranty: One-Year Limited Warranty
Electrical System Type: 3W
Output Type: 4-Way Flat
Tail Light Circuits: 7.5 Amps
Turn and Brake Circuits: 5.0 Amps
Installation Difficulty: Professional
Installation Time Exact (Minutes): 90
If your vehicle is not equipped with wiring for towing a trailer, CURT custom wiring is the ideal solution. A custom wiring harness -- also called a T-connector -- is a simple, plug-and-play electrical device that plugs into your automotive electric system and provides a standard, universal trailer wiring connection. This is done using two or more vehicle-specific, OEM-compatible connectors to plug into the taillight assembly, eliminating the need for cutting, splicing and soldering during installation. Custom wiring harnesses are made vehicle-specific, and while they are not available for all vehicles, they do offer one of the fastest, easiest and most secure ways to wire a vehicle for towing. This particular plug-in harness provides a 4-way flat connector socket and is designed to be a custom wiring harness to fit certain years of the Volkswagen Atlas (to verify your vehicle compatibility, see application info). It comes with all necessary wiring components to establish a reliable trailer wiring connection, as well as a dust cover to keep the connector clean when not in use. You have a picture in mind of your next destination -- maybe it's the boat landing at your favorite fishing spot, maybe it's a campsite that overlooks one of nature's masterpieces, or maybe it's the next big jobsite. However, turning that picture into a reality takes more than just daydreaming. It takes a solid connection and the right amount of power. CURT custom wiring is made with some of the most sophisticated technology in the industry and is designed to install with ease, giving you a long-lasting electrical connection for your towing hitch setup.
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®.'
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2 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2021 - 2026 | Volkswagen Atlas | Installation Time: 90+ minutes |
| 2020 - 2026 | Volkswagen Atlas Cross Sport | Installation Time: 90+ minutes |
Yes, the CURT 56464 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Volkswagen Atlas (Part #BKDK56464) is designed to fit the 2021-2026 Volkswagen Atlas.
The CURT 56464 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Volkswagen Atlas (Part #BKDK56464) fits 2021-2026 Volkswagen Atlas models. The 2026 model year is the last year covered by this part number. For newer models, check for an updated version.
The CURT 56464 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Volkswagen Atlas (Part #BKDK56464) fits the following vehicles: 2021-2026 Volkswagen Atlas; 2020-2026 Volkswagen Atlas Cross Sport. Always verify your specific year, make, and model before ordering.
The CURT 56464 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Volkswagen Atlas (Part #BKDK56464) Typical installation time is 90+ minutes. Basic hand tools are typically all you need.
Part 56464 is a wiring location guide and powered converter lead system for SUVs and vans. It includes a converter box that connects to your vehicle's taillight wiring harness and battery to provide electrical conversion. The system uses a custom wiring harness with yellow and green wire ends that tap into the vehicle's taillight connectors, and a black power wire that connects to the vehicle battery through a 15-amp fused connection.
Part 56464 is designed for SUVs and vans (S-series vehicles). The manual shows representative wiring locations for this vehicle class but does not specify individual makes, model years, or body styles. Contact the manufacturer or consult a fitment database to confirm compatibility with your specific vehicle.
Yes. The manual explicitly states that this converter system is to be used only on 12-volt negative ground systems. If your vehicle uses a different electrical system configuration, this product is not compatible.
The following tools are required: ratchet, cutting tool, socket (10mm), wire crimper, socket extension, wire stripper, and panel trim removal tool. Proper tools will improve installation quality and reduce installation time.
The product includes: a custom wiring harness with yellow and green wire ends, a black converter box, a white ground wire with ring terminal, a black power wire, provided double-sided tape for mounting the converter box, cable ties for securing loose wires, a ground screw, a 4-flat dust cover, and a fuse holder with 15-amp fuse. The fuse should be installed after all other installation steps are complete.
Yes. Step 1 requires you to locate the vehicle's battery in the engine compartment on the driver side and disconnect the negative battery terminal. Fasten this wire down and away from the battery while completing the installation. The battery terminal should be reconnected only after all other installation steps are complete and the fuse is installed.
Open the vehicle trunk and remove all trunk floor coverings. Remove the spare tire lock and nut securing the floor cover to the spare tire. This provides access to the interior side panels where the taillight wiring harness is located.
Pull out on the bottom of the scuff panel and then pull up. Take care not to damage the alignment tabs on the back of the panel, as these are needed for reinstallation.
Starting on the driver side, pull out on the interior side panel to locate the vehicle taillight wiring harness. Take care not to damage the alignment tabs on the back of the panel. The taillight wiring harness connectors will be similar to those on the custom wiring harness included with the product.
Locate the vehicle taillight wiring harness connectors. Separate the connector from the taillight housing, taking care not to damage the locking tabs. Insert the custom wiring harness end with the yellow wire between the separated connectors. Make sure the connectors are fully inserted with locking tabs in place. Repeat this process on the passenger side using the harness end with the green wire.
Locate a flat spot inside the vehicle near the taillight and adhere the black converter box using the provided double-sided tape. The converter box should be mounted on the driver side initially, then the green wire harness end should be routed to the passenger side.
When in use, route the 4-flat to the center of the vehicle and out of the trunk. When not in use, roll up and store in a convenient, out-of-the-way location inside the trunk.
Secure any loose wires with the provided cable ties. Additionally, when routing the black power wire from the vehicle battery, secure it to the vehicle chassis using the cable ties provided.
Drilling may be required for the ground wire connection. Step 6 instructs you to locate a grounding point near the converter box such as an existing screw or bolt in the vehicle frame, or drill a 3/32-inch pilot hole if no existing fastener is available. Before drilling, check for miscellaneous items that may be hidden behind or under any surface to avoid damage and personal injury.
Drill a 3/32-inch pilot hole if an existing screw or bolt is not available for the ground wire ring terminal. Before drilling, ensure the area is free from rust, dirt, and paint by using an abrasive pad or paper to clean the surface.
The area where the ground wire will be attached should be free from rust, dirt, and paint. Use an abrasive pad or paper to remove rust and paint from the surface before securing the white ground wire with the ring terminal.
When passing the power wire through sheet metal, use an existing grommet, add a grommet, or use silicone to protect the power wire from sharp edges. This prevents damage to the wire insulation.
The battery connection must be fuse-protected with a 15-amp maximum fuse. Exceeding this rating can cause loss of warranty, overheating, and potential fire. The fuse should be installed after all other installation steps are complete.
Signal circuits are rated at 5.0 amps per side. Tail and running circuits are rated at 7.5 amps total. Do not exceed the product rating or the tow vehicle lamp load rating, whichever is lower.
The power wire from the vehicle battery should be 12-gauge or larger. The manual specifies routing a 12 GA wire to the vehicle battery location.
The wiring harness includes the following colors: Yellow (left turn), Green (right turn), Red (brake), and Brown (taillight). The custom wiring harness has a yellow wire end for the driver side connection and a green wire end for the passenger side connection. The black power wire connects to the positive battery terminal, and the white ground wire connects to the vehicle frame or body.
Route the black power wire from the vehicle battery as shown on the last page of the manual (page 4). The wire should be routed to avoid any pinch points and hot or rotating components. Secure the power wire to the vehicle chassis using the provided cable ties. Use an existing grommet, add a grommet, or use silicone when passing the wire through sheet metal.
Secure the white ground wire with its ring terminal to the vehicle body using the screw provided, or drill a 3/32-inch hole if necessary. The mounting area should be free from rust, dirt, and paint. Use an abrasive pad or paper to clean the surface before attachment.
Use a ring terminal for the battery connection. The black power wire should be connected to the positive battery terminal using a ring terminal, and the fuse holder with 15-amp fuse should be installed in the circuit.
Before drilling, check for miscellaneous items that may be hidden behind or under any surface to avoid damage and personal injury. This is especially important when drilling the 3/32-inch pilot hole for the ground wire connection.
After disconnecting the negative battery terminal from the vehicle battery, fasten this wire down and away from the battery while completing the installation process. This prevents accidental reconnection and electrical hazards.
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. The battery connection must be fuse-protected with a 15-amp maximum fuse.
Reinstall all items removed during installation, including trunk floor coverings, spare tire lock and nut, and the scuff panel. If the negative battery terminal was disconnected at the beginning, reconnect it. Install the provided 4-flat dust cover to help prevent corrosion. Test for proper function by using a test light or connecting a properly wired trailer.
The fuse should be installed after all other installation steps are complete. Do not install the fuse until the battery connection and all wiring are properly routed and secured.
Periodic inspection of all wires and connections should be performed to ensure there is no visible damage or loose connections. This helps maintain proper function and prevents electrical hazards.
Part 56464 is designed for SUVs and vans with 12-volt negative ground electrical systems. Consult a fitment database or contact the manufacturer to confirm compatibility with your specific vehicle make, model, and year.
You will need: ratchet, cutting tool, 10mm socket, wire crimper, socket extension, wire stripper, and panel trim removal tool.
Yes. Disconnect the negative battery terminal before beginning installation and reconnect it only after all other steps are complete and the fuse is installed.
The battery connection must use a 15-amp maximum fuse. Exceeding this rating can cause loss of warranty, overheating, and potential fire.
Use 12-gauge wire or larger for the power wire connection from the vehicle battery.
Do not exceed the product rating or tow vehicle lamp load rating. The battery connection must be fuse-protected at 15-amp maximum. Exceeding the rating can cause loss of warranty, overheating, and potential fire.
Test for proper function by using a test light or connecting a properly wired trailer. Reinstall all removed items and the 4-flat dust cover before testing.
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