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2018 - 2025 Nissan LEAF
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Complete CURT Class 1 1-1/4" trailer hitch and 4-flat custom wiring kit engineered for the 2018 - 2025 Nissan Leaf. Vehicle-specific fit, plug-and-play installation, all hardware and instructions included.
This custom kit fits the following vehicles:
All Hardware and Installation Instructions Included!
However you define adventure -- whether it's climbing onto the back of a mountain bike, hunting from the top of a tree stand or camping with the family a long way from nowhere -- CURT class 1 hitches provide a light-duty towing receiver to help you Bring It. Each is made to fit a specific vehicle, providing easier installation, a better fit and optimal towing capacity. Custom class 1 trailer hitches are available for a variety of smaller vehicle types, including the compact car, crossover, minivan and small SUV. This particular class 1 hitch is designed to be a custom hitch for certain years of the Nissan Leaf (to verify vehicle compatibility, see the CURT application guide at curtmfg.com). Tested in accordance with SAE J684, it offers a weight carrying capacity of 1,500 lbs. GTW and 150 lbs. TW. It is equipped with 1-1/4" receiver tube opening to accept a ball mount shank or other hitch mount. This class 1 hitch also comes with all necessary mounting hardware. With its lightweight design and smaller receiver tube size, a class 1 hitch is especially useful for adding cargo space with a hitch-mounted bike rack or cargo carrier. They can also typically be used to tow small trailers such as a utility trailer, kayak trailer or teardrop camper (never exceed the lowest weight capacity of any towing component; i.e. the vehicle, hitch, trailer, etc). Though CURT class 1 trailer hitches are only intended for light-duty towing, we apply the same principles of quality as we do to the rest of our rear mount hitches. Each class 1 hitch is made with hands-on engineering, high-strength steel and precise welding. We use a co-cured finish of liquid A-coat, inside and out, and durable black powder coat to provide a lasting defense against rust, chips and UV rays.
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 Nissan Leaf (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®.'
Experts available to answer your questions
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1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2018 - 2025 | Nissan LEAF | — |
Yes, the 18 - 24 Nissan Leaf Curt 1-1/4", Class 1 Trailer Tow Hitch + 4-flat Wiring Kit 11648 (Part #CHW-2512) is designed to fit the 2018-2024 Nissan LEAF.
The 18 - 24 Nissan Leaf Curt 1-1/4", Class 1 Trailer Tow Hitch + 4-flat Wiring Kit 11648 (Part #CHW-2512) fits the following vehicles: 2018-2024 Nissan LEAF. Always verify your specific year, make, and model before ordering.
The 18 - 24 Nissan Leaf Curt 1-1/4", Class 1 Trailer Tow Hitch + 4-flat Wiring Kit 11648 (Part #CHW-2512) fits 2018-2024 Nissan LEAF models. The 2024 model year is the last year covered by this part number. For newer models, check for an updated version.
The 18 - 24 Nissan Leaf Curt 1-1/4", Class 1 Trailer Tow Hitch + 4-flat Wiring Kit 11648 (Part #CHW-2512) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
Yes, the Curt 56227 is designed for the Nissan Leaf. It is a custom wiring harness that connects to the vehicle's taillight wiring harness connectors located inside the trunk behind the taillight.
The harness has two circuit ratings: Signal Circuits are rated at 3.0 amps per side, and Tail/Running Circuits are rated at 6.0 amps total. You must not exceed the product rating or the tow vehicle lamp load rating, whichever is lower.
Yes, you must disconnect the negative battery terminal before beginning installation. This is a required safety step performed in Step 2 of the installation process.
You will need: a 10mm socket, a ratchet, a panel trim removal tool, and a flat blade screwdriver. These tools are required to remove trunk components and access the taillight connectors.
You must remove: all trunk floor coverings, the storage bag (by removing 10mm bolts from the mounting bracket), the rear scuff panel, the sound system box (by removing 10mm bolts and disconnecting its electrical connector), and the cargo tie down fastener from the passenger side trim panel.
Locate the vehicle's taillight wiring harness connectors inside the trunk behind the taillight (on both driver and passenger sides). Separate the connectors from the taillight housing, taking care not to damage the locking tabs. Insert the T-connector end (yellow wire on driver side, green wire on passenger side) between the separated connectors, ensuring they are fully inserted with locking tabs in place.
Drilling may be required only for the ground wire installation. You should first locate an existing screw with nut in the vehicle's frame as a grounding point. If no suitable existing screw is available, you may drill a 3/32" pilot hole for the provided screw. Before drilling, check for hidden items behind or under any surface to avoid damage and personal injury.
If an existing screw is not available, drill a 3/32" pilot hole for the provided ground screw. The grounding area should be free of rust, dirt and paint before securing the white ground wire using the ring terminal and provided screw.
The battery connection must be fuse-protected with a 10-amp maximum fuse. Exceeding this fuse rating can cause loss of warranty, overheating and potential fire. Do not exceed the product rating or tow vehicle lamp load rating, whichever is lower.
Locate a flat spot inside the vehicle near the taillight and adhere the black converter box using the double-sided tape provided. When not in use, the 4-flat connector should be rolled up and stored in a convenient, out-of-the-way location.
Route the black power wire from the vehicle's battery as shown on the included CME-PCL-INS sheet. This sheet provides specific routing instructions for your vehicle.
Secure any loose wires with the provided cable ties. This helps organize the installation and prevents wires from becoming damaged or caught.
Test for proper function by using a test light or connecting a properly wired trailer. All steps must be followed to ensure the wiring harness will function properly.
Reinstall all items removed during installation, reconnect the negative battery terminal, and install the provided 4-flat dust cover to help prevent corrosion.
You must not exceed the product rating or the tow vehicle lamp load rating, whichever is lower. Check your vehicle owner's manual or contact the vehicle manufacturer for your specific tow vehicle lamp load rating.
The T-connector on the driver side has a yellow wire, and the T-connector on the passenger side has a green wire. Each is inserted between the separated taillight connectors on their respective sides.
The ground wire is white. It is secured using a ring terminal and provided screw to a suitable grounding point near the connector.
The power wire is black. It is routed from the vehicle's battery as shown on the included CME-PCL-INS sheet.
Yes, the Curt 56227 is designed specifically for the Nissan Leaf.
You need a 10mm socket, ratchet, panel trim removal tool, and flat blade screwdriver.
Yes, disconnect the negative battery terminal before starting installation.
Drilling may be required only for the ground wire if no existing screw is available; you would drill a 3/32" pilot hole.
The battery connection must use a 10-amp maximum fuse. Do not exceed this rating.
Signal Circuits: 3.0 amps per side. Tail/Running Circuits: 6.0 amps total. Do not exceed these ratings or the tow vehicle lamp load rating, whichever is lower.
Test for proper function using a test light or by connecting a properly wired trailer.
The CURT 11648 has a gross trailer weight (GTW) capacity of 1,500 lbs and a tongue weight (TW) capacity of 150 lbs. Never exceed your vehicle manufacturer's recommended towing capacity.
CURT stands behind its products with industry-leading warranties. To get copies of the product warranty, register your purchase, or provide feedback, visit warranty.curtgroup.com/surveys.
The CURT 11648 mounts to vehicle frame rails. Passenger-side fastening varies depending on vehicle model—some models use existing weldnuts in the frame side, while others use existing frame rail holes. Consult the manual or contact CURT Product Support at 877.287.8634 to confirm fitment for your specific vehicle.
Passenger-side fastening varies by vehicle model. The hitch uses either two M12 bolts into existing weldnuts in the side of the frame, or three existing M10 bolts through the frame rail. The manual states that M12 bolts and three M10 bolts may be present on the tow loop, which is removed during installation. Retain the three M10 bolts for reinstallation if your vehicle uses them.
Required tools: ratchet, 6" socket extension, torque wrench, die grinder, sockets (10mm, 12mm, 17mm, 11/16"), drill, 1/2" drill bit, rotary tool, safety glasses, and screwdriver. A tools reference guide is available at curtmfg.com/trailer-hitch-installation.
The kit includes: 2 serrate-flange nuts (7/16"), 2 conical tooth washers (9/16"), 2 hex head cap screws (M12), 2 carriage bolts (7/16"), 2 fishwires (7/16"), 2 square hole spacers (.250" x .88" x 2.25"), and 3 hex flange nuts (M10). If existing hardware is present on the vehicle, use it; otherwise use the provided M12 bolts and conical washers to fasten the hitch to the frame.
Yes. In Step 2, you remove either four M12 bolts or three M10 bolts securing the tow loop to the passenger-side frame rail. Retain the three M10 bolts for reinstallation on the hitch. Return the tow loop and M12 bolts to the vehicle owner.
Read all instructions thoroughly before beginning. The installation requires part removal and trimming of the underbody panel, hole enlargement, drilling, and fishwiring hardware. Wear safety glasses at all times. Proper tools will improve installation quality and reduce time required.
The installation is rated as moderate difficulty. The difficulty level is based on time and effort involved and may vary depending on installer expertise, vehicle condition, and availability of proper tools and equipment.
Yes. In Step 1, remove the fasteners securing the underbody panel and retain both the panel and fasteners for later reinstallation. The panel will be trimmed in Step 8 and reinstalled in Step 9.
Yes. In Step 2, remove either four M12 bolts or three M10 bolts securing the tow loop to the passenger-side frame rail. Retain the three M10 bolts for reinstallation on the hitch. Return the tow loop and M12 bolts to the vehicle owner.
Yes. In Step 3, if the rear-most driver-side hole is not present on your vehicle, raise the hitch into position and mark the hole to be drilled. Lower the hitch and drill the marked hole. Before drilling, make sure all existing holes are aligned. The drill bit size is 1/2".
Yes. In Step 3, enlarge the driver-side access hole to allow 7/16" hardware to pass through. A die grinder or rotary tool can be used for this task.
Yes. In Step 8, trim the underbody panel according to the trim diagram provided in the manual. The panel is then reinstalled in Step 9 using the hardware removed in Step 1.
To remove debris from weldnuts in the frame, spray lubricant or compressed air into the hole. For heavy debris, use a wire brush. Take care not to damage the threads.
Torque all 7/16" hardware to 70 ft-lbs, all M10 hardware to 48 ft-lbs, and all M12 hardware to 90 ft-lbs. Use a torque wrench to ensure proper tightening.
Torque all 7/16" hardware to 70 ft-lbs. This applies to the carriage bolts and serrate-flange nuts used on the driver side.
Torque all M10 hardware to 48 ft-lbs. This applies to the hex flange nuts used on the passenger side when the vehicle uses existing M10 bolts through the frame rail.
Torque all M12 hardware to 90 ft-lbs. This applies to the hex head cap screws used on the passenger side when the vehicle has existing weldnuts in the side of the frame.
The conical tooth washer is 9/16" in diameter. Two are included in the kit and are used with the M12 hex head cap screws on the passenger side.
The square hole spacer measures .250" x .88" x 2.25". Two are included in the kit and are used with the 7/16" carriage bolts to position the hitch on the driver side.
The fishwire technique is used to guide the 7/16" carriage bolt and square hole spacer through the frame rail without losing them inside. In Step 4, insert the coiled end of the fishwire through the hitch mounting hole and out the access hole, pass it through the spacer, and thread the bolt into the coil. In Step 5, pull the fishwire, spacer, and bolt back through the frame and out the mounting hole.
Attach the fishwire to the carriage bolt and slide the spacer onto the fishwire. Push the bolt through the hole followed by the spacer. Pull the bolt back into position, protruding from the frame. This technique is used in Step 5 to reverse the bolt and spacer into the enlarged access hole.
The conical tooth washer should be oriented with the teeth facing inward toward the frame. The manual includes a diagram showing the correct orientation on the hitch side plate.
In Step 6, raise the hitch into position and secure the driver side first using the provided 7/16" flange nuts. Then secure the passenger side with either the two provided M12 bolts into existing weldnuts in the side of the frame, or the existing three M10 bolts through the frame rail, using the provided M10 flange nuts.
Two fasteners are used on the driver side: one 7/16" carriage bolt with a square hole spacer on the rear, and one 7/16" carriage bolt on the front. Both are secured with 7/16" serrate-flange nuts and torqued to 70 ft-lbs.
Two fasteners are used on the passenger side. If the vehicle has existing weldnuts in the side of the frame, use the two provided M12 hex head cap screws with conical tooth washers, torqued to 90 ft-lbs. If the vehicle has existing frame rail holes, use the three existing M10 bolts with the provided M10 hex flange nuts, torqued to 48 ft-lbs.
Wear safety glasses at all times during installation. Never exceed your vehicle manufacturer's recommended towing capacity. After installation, perform periodic inspection to ensure all mounting hardware remains tight and structural components are secure.
Never exceed your vehicle manufacturer's recommended towing capacity. The CURT 11648 has a gross trailer weight capacity of 1,500 lbs and a tongue weight capacity of 150 lbs, but your vehicle's manufacturer may specify a lower limit.
After installation, perform periodic inspection to ensure all mounting hardware remains tight and structural components are secure. To help prevent damage to the product or vehicle, refer to the specified torque specifications when securing hardware.
In Step 9, reinstall the underbody panel using the hardware removed in Step 1. The panel should be trimmed according to the trim diagram in Step 8 before reinstallation.
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