1. Producte acabatview
The TowSmart Standard Trailer Light Kit is designed for trailers under 80 inches in width, providing essential lighting functions. This kit includes incandescent lights suitable for various trailer styles. It features a durable, weatherproof, and corrosion-resistant housing with a built-in reflex lens made from acrylic, ensuring resilience against harsh weather conditions. The lights function as tail lights, side turn signals, brake lights, and include a license plate illuminator.

Image 1.1: The TowSmart Standard Trailer Light Kit components, showing the main red tail/brake lights and amber side marker lights.
2. Característiques clau
- Fàcil instal·lació: Features a 2-bolt stud design with included mounting hardware for straightforward setup.
- Construcció duradora: Equipped with a corrosion-resistant housing built to withstand extreme weather conditions.
- Integrated Reflector: Built-in reflective lens eliminates the need for a separate reflector, enhancing safety and convenience.
- Resistent a les ratllades: Lens features a scratch-resistant film for added protection and longevity.
- Compatibilitat amb DOT: Meets or exceeds Department of Transportation (DOT) standards for safety and performance.
- Il·luminació multifunció: Provides tail light, turn signal (side), brake light, and license plate illumination functions.
3. Contingut del paquet
En obrir el paquet, comproveu que hi hagi tots els components següents:
- 2 x Stop, Turn, and Tail Lights (Red)
- 2 x Side Marker Lights (Amber)
- 1 x License Plate Bracket
- 1 x 20 ft. Wiring Harness
- Maquinari de muntatge (cargols, femelles, volanderes)

Image 3.1: All included components of the TowSmart Standard Trailer Light Kit.
4. Informació de seguretat
WARNING: Always disconnect the vehicle's battery before performing any electrical work to prevent injury or damage.
- Assegureu-vos que totes les connexions estiguin ben fixades i degudament aïllades per evitar curtcircuits.
- Verify that the trailer's electrical system is compatible with the light kit (12V system).
- Do not modify the light kit components. Use only as intended.
- Always test the lights thoroughly after installation to ensure proper function before operating the trailer on public roads.
- Consult local regulations regarding trailer lighting requirements.
5. Configuració i instal·lació
5.1 Llista de comprovació prèvia a la instal·lació
- Ensure the trailer is parked on a level surface and secured.
- Gather necessary tools: wrench set, wire strippers, crimping tool, electrical tape, zip ties.
- Review the wiring diagram for your specific trailer if available.
5.2 Passos d'instal·lació
- Muntar les llums:
Attach the two main stop/turn/tail lights to the rear of the trailer using the provided 2-bolt studs and mounting hardware. Ensure they are securely fastened and positioned correctly for visibility. The side marker lights should be mounted on the sides of the trailer, typically towards the front or middle, ensuring they are visible from the side.


Imatge 5.1: Lateral view of main light and side marker light showing mounting points. Image 5.2: Bottom view of main light showing bulb and wiring.
- Instal·leu el suport de la matrícula:
Mount the license plate bracket to the rear of the trailer, typically near the left main light, ensuring the license plate illuminator function can properly light the plate.
- Encamina el cablejat:
Carefully route the 20 ft. wiring harness along the trailer frame, securing it with zip ties or clips to prevent snagging or damage. Ensure the harness reaches both the lights and the trailer connector at the front.
- Connecteu els llums:
Connect the wires from the main lights and side marker lights to the appropriate wires on the main wiring harness. Typically, the wiring color code is standard:
- Fil marró: Tail lights and side marker lights (running lights).
- Fil groc: Left turn signal and brake light.
- Fil verd: Right turn signal and brake light.
- Fil blanc: Ground wire. Ensure this is securely connected to the trailer frame for a good ground connection.
Use appropriate wire connectors (e.g., crimp connectors) and insulate all connections with electrical tape or heat shrink tubing to protect against moisture and corrosion.
- Connexió al vehicle:
Plug the trailer's wiring harness connector into the corresponding receptacle on your towing vehicle.
- Prova totes les funcions:
With the trailer connected to the vehicle, test all lighting functions: running lights, brake lights, left turn signal, right turn signal, and hazard lights. Ensure the license plate illuminator is also working correctly.
6. Instruccions de funcionament
Once properly installed and connected to a towing vehicle, the TowSmart Trailer Light Kit operates automatically in conjunction with your vehicle's lighting system:
- Llums de funcionament: When your vehicle's headlights or parking lights are on, the trailer's tail lights and side marker lights will illuminate.
- Llums de fre: When the vehicle's brake pedal is pressed, both main trailer lights will illuminate brighter to indicate braking.
- Senyals de gir: When the vehicle's left or right turn signal is activated, the corresponding main trailer light will flash.
- License Plate Illuminator: The integrated license plate light will illuminate when the running lights are active, ensuring your license plate is visible.
Always perform a quick check of all trailer lights before each trip to ensure they are functioning correctly and are visible to other drivers.
7. Manteniment
Regular maintenance will ensure the longevity and reliable performance of your trailer light kit:
- Inspecció periòdica: Periodically check all lights for cracks, damage, or loose connections.
- Lents netes: Clean the light lenses regularly with a soft cloth and mild soap to remove dirt and grime, ensuring maximum light output. Avoid abrasive cleaners.
- Comproveu el cablejat: Inspect the wiring harness for any signs of wear, fraying, or corrosion. Ensure all connections remain secure and insulated.
- Connexió a terra: Verify that the ground connection to the trailer frame remains clean and free of rust for optimal electrical conductivity.
- Substitució de bombetes: If a bulb burns out, replace it with an incandescent bulb of the same type and wattage. Refer to the specifications for bulb type.
8. Solució De Problemes
If you encounter issues with your trailer light kit, refer to the following table for common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| No lights illuminate. | No power from vehicle; faulty ground connection; main wiring harness disconnected. | Check vehicle's fuse for trailer lights. Ensure ground wire is securely attached to clean metal on trailer frame. Verify harness is fully plugged into vehicle. |
| One or more lights not working. | Burnt out bulb; loose or corroded wire connection; faulty light assembly. | Replace bulb. Inspect and clean wire connections at the light and harness. Test light assembly with a known good power source. |
| Les llums són tènues o parpellejant. | Poor ground connection; low voltage from vehicle; corroded connections. | Clean and secure ground connection. Check vehicle's electrical system. Clean all wire connections. |
| Brake lights or turn signals not working. | Specific wire for that function is disconnected or damaged; vehicle's turn signal/brake fuse. | Check yellow (left) and green (right) wires for continuity and secure connection. Check vehicle's fuses. |
| La llum de la matrícula no funciona. | Burnt out bulb; disconnected brown wire; faulty illuminator. | Replace bulb. Check brown wire connection. |
9. Especificacions tècniques
| Especificació | Detall |
|---|---|
| Marca | TOWSMART |
| Número de model (ASIN) | B07B894CHK |
| UPC | 849278014018 |
| Pes de l'article | 3.2 lliures |
| Dimensions del paquet | 11.5 x 9 x 3.5 polzades |
| Característiques especials | Waterproof, Corrosion Resistant Housing, Built-in Reflex Lens |
| Tipus de servei del vehicle | Trailer (under 80 in. width) |
| Color de la lent | Red (main lights), Amber (side marker lights) |
| Material de la lent | Acrílic |
| Primera data disponible | 23 d'agost de 2017 |
10. Garantia i Suport
TOWSMART products are manufactured to high-quality standards. For specific warranty information regarding your Standard 80 in. Under Trailer Light Kit, please refer to the documentation included with your purchase or visit the official TOWSMART weblloc.
For technical support, replacement parts, or further assistance, please contact TOWSMART customer service. You can find contact information on the TOWSMART Store on Amazon o el seu oficial weblloc.





