09-11 Volkswagen Tiguan CURT 4-flat Plug and Play Trailer WiringCURTOriginal price was $113.90. Current price is $100.76.In Stock
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2018 - 2024 Volkswagen Tiguan
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| Electrical System Type | PWM-STT |
| Finish | N/A |
| Material | Blank |
| Mount Type Description | Blank |
| Output Type | 4-Way Flat |
| Side Application Type Description | Blank |
| T-Connector Location | S1,S3 |
| Tail Light Circuits | 7.5 Amps |
| Turn and Brake Circuits | 5.0 Amps |
| Warranty | One-Year Limited Warranty |
| Battery-Powered | Yes |
| Converter Type | Universal, Potted, Powered, Protected, PWM |
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 |
|---|---|---|
| 2018 - 2024 | Volkswagen Tiguan | — |
The 18-24 Volkswagen Tiguan CURT 4-flat Plug and Play Trailer Wiring (Part #CTW2518) fits the following vehicles: 2018-2024 Volkswagen Tiguan. Always verify your specific year, make, and model before ordering.
The 18-24 Volkswagen Tiguan CURT 4-flat Plug and Play Trailer Wiring (Part #CTW2518) fits 2018-2024 Volkswagen Tiguan models. The 2024 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 18-24 Volkswagen Tiguan CURT 4-flat Plug and Play Trailer Wiring (Part #CTW2518) is designed to fit the 2018-2024 Volkswagen Tiguan.
The 18-24 Volkswagen Tiguan CURT 4-flat Plug and Play Trailer Wiring (Part #CTW2518) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The CURT 56403 is a powered converter module designed for SUVs and vans. It converts vehicle taillight signals into trailer lighting signals. The product includes a converter box, custom wiring harness with yellow and green leads, power wire, ground wire with ring terminal, cable ties, double-sided tape, and a 4-flat dust cover.
The CURT 56403 is designed for SUVs and vans with 12-volt negative ground electrical systems. The manual does not list specific vehicle makes, models, or years. Contact CURT Group or consult a fitment database to confirm compatibility with your specific vehicle.
You will need: ratchet, utility knife, 10mm socket, wire crimper, socket extension, wire stripper, and panel trim removal tool. These tools are required to access wiring locations, remove interior panels, crimp wire connections, and secure fasteners.
The kit includes: a black converter box, custom wiring harness with yellow and green leads, 12-gauge black power wire, white ground wire with ring terminal, provided screw for grounding, double-sided tape for mounting the converter box, cable ties for securing loose wires, and a 4-flat dust cover. A 15-amp fuse holder and fuse are also included.
Yes. The manual explicitly states: 'Disconnect negative battery (-) cable before wiring the power wire.' This must be done before routing and connecting the 12-gauge black power wire to the vehicle battery.
The installation is rated as Moderate difficulty. The manual recommends reading all instructions thoroughly before beginning and states that proper tools will improve installation quality and reduce time required.
The manual identifies eight wiring locations for SUVs and vans: S1 (behind driver side taillight housing), S2 (behind passenger side taillight housing), S3 (behind driver side rear access panel), S4 (behind passenger side rear access panel), S5 (behind driver side rear bumper), S6 (behind center of rear bumper), S7 (behind passenger side rear bumper), and S8 (under rear floor panel). The specific locations you use depend on your vehicle's layout.
1. Remove the side trim panel and locate the vehicle taillight wiring harness connector. 2. Separate the connector from the taillight housing, taking care not to damage the locking tabs. 3. Insert the custom wiring harness end (yellow wire for driver side, green wire for passenger side) between the separated connectors. 4. Ensure the connectors are fully inserted with locking tabs in place. Repeat this process on both driver and passenger sides.
Locate a flat spot inside the vehicle near the taillight. Adhere the black converter box using the provided double-sided tape. The converter should be mounted in a location that is accessible and protected from moisture and damage.
When in use, route the 4-flat to the center of the vehicle and out of the trunk. When not in use, roll up the 4-flat and store it in a convenient, out-of-the-way location inside the trunk. Install the provided 4-flat dust cover to help prevent corrosion.
You may need to drill a hole depending on your vehicle. First, locate a suitable grounding point near the taillight connector, such as an existing screw with nut in the vehicle frame. If no suitable point exists, drill a 3/32" pilot hole. The area must be free of rust, dirt, and paint. Secure the white ground wire using the ring terminal and provided screw. Always check for hidden items behind or under any surface before drilling to avoid damage and personal injury.
Route the 12-gauge black power wire from the vehicle battery, taking care to avoid any pinch points and hot or rotating components. When passing the power wire through sheet metal, use an existing grommet, add a grommet, or use silicone to protect the wire from sharp edges. Secure the power wire to the vehicle chassis using the provided cable ties.
Signal circuits: 5.0 amps per side. Tail/Running circuits: 7.5 amps total. The battery connection must be fuse-protected with a 15-amp maximum fuse. 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.
Drill a 3/32" pilot hole if a suitable existing screw point is not available. The area must be free of rust, dirt, and paint before securing the white ground wire with the ring terminal and provided screw.
The power wire is 12-gauge (12 GA) or larger. This wire connects from the vehicle battery to the converter system and must be routed carefully to avoid pinch points and hot or rotating components.
Yellow wire: Left turn signal. Green wire: Right turn signal. Red wire: Brake signal. Brown wire: Taillight/running light. White wire: Ground. Black wire: Power (12-gauge, connects to positive battery terminal). These colors follow standard trailer wiring conventions.
The maximum fuse rating is 15 amps. The fuse holder with 15-amp fuse must be installed after all other installation steps are complete. The battery connection must be fuse-protected; exceeding this rating can cause loss of warranty, overheating, and potential fire.
Use a ring terminal for the battery connection. The manual explicitly states: 'Use ring terminal for battery connection.' The ring terminal provides a secure, corrosion-resistant connection to the positive battery terminal.
The CURT 56403 is designed exclusively for 12-volt negative ground systems. The manual states: 'This converter system is to be used only on 12 volt negative ground systems.' Do not use this product on positive ground or 24-volt systems.
Key warnings: (1) Do not exceed product rating or tow vehicle lamp load rating. (2) Battery connection must be fuse-protected, 15-amp max. Exceeding the rating can cause loss of warranty, overheating, and potential fire. (3) Check for miscellaneous items hidden behind or under any surface before drilling to avoid damage and personal injury. (4) Route power wire to avoid pinch points and hot or rotating components. (5) Disconnect negative battery cable before wiring the power wire. (6) Use a ring terminal for battery connection.
Once installed, test for proper function by using a test light or connecting a properly wired trailer. This confirms that all signal circuits (left turn, right turn, brake) and tail/running light circuits are functioning correctly before towing.
Periodic inspection of all wires and connections should be performed to ensure there is no visible damage or loose connections. Check the 4-flat connector and dust cover regularly, especially if the trailer is used frequently. Ensure the fuse remains intact and the battery connection stays secure.
The CURT 56403 is designed for SUVs and vans with 12-volt negative ground electrical systems. Specific vehicle models and years are not listed in the manual. Verify compatibility with CURT Group or a fitment database before purchasing.
Yes. Disconnect the negative battery cable before wiring the power wire to the battery. This is a required safety step.
Drilling may be required. You must locate a suitable grounding point for the white ground wire. If no existing screw point is available, drill a 3/32" pilot hole. Always check for hidden items before drilling.
15 amps maximum. The fuse holder with 15-amp fuse must be installed after all other steps are complete. Do not exceed this rating; it can cause loss of warranty, overheating, and potential fire.
The CURT 56403 requires a 12-volt negative ground electrical system. It is not compatible with positive ground or 24-volt systems.
Do not exceed the product rating or tow vehicle lamp load rating. The battery connection must be fuse-protected with a 15-amp maximum fuse. Exceeding the rating can cause loss of warranty, overheating, and potential fire.
Total for 4 items:
$224.71$246.85
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