1. Introduction
This manual provides instructions for the installation, operation, and maintenance of your Partsam 2-piece Red and Amber LED Trailer Fender Lights. These lights are designed to enhance visibility and safety for trailers over 80 inches wide, serving as both front amber clearance lights and rear red clearance lights. They feature a pre-wired assembly with sealed, waterproof lenses for durability.
2. Product Features
- Set includes one right and one left fender light.
- Integrated amber LED for front clearance and red LED for rear clearance.
- Pre-wired assembly for simplified installation.
- Designed for mounting on top or side of trailer fenders.
- Sealed, waterproof lenses ensure durability in various weather conditions.
- DOT Compliant for legal use on trailers.
- Low profile single-diode LED lamps.
3. Safety Information
Always prioritize safety during installation and operation. Failure to follow these guidelines may result in property damage or personal injury.
- Disconnect the vehicle's battery before performing any electrical work.
- Ensure all wiring connections are secure and properly insulated to prevent short circuits.
- Verify that the lights are correctly oriented (amber facing front, red facing rear) as per DOT regulations.
- Do not exceed the specified voltage for the lights.
- If you are unsure about any part of the installation process, consult a qualified technician.
4. Setup and Installation
These fender lights are designed for straightforward installation on most trailers. No screws are included in the package.
4.1 Components Overview

4.2 Dimensions
Refer to the diagram below for detailed product dimensions to ensure proper fitment on your trailer fender.

4.3 Mounting Instructions
- Select Mounting Location: Choose a suitable location on the top or side of your trailer fender. The lights are designed to mark the widest point of your trailer.
- Positioning: Ensure the amber LED faces towards the front of the trailer and the red LED faces towards the rear.
- Secure the Light: Use appropriate self-tapping screws (not included) to secure the light assembly to the fender through the designated mounting holes.
- Wire Routing: The light assembly includes a channel to hide the wiring, guiding it down into the fender for a clean installation.
4.4 Wiring Diagram
The Partsam fender lights feature a 2-wire design for power and ground connections.
- Black Wire: Positive (+) connection for power.
- White Wire: Negative (-) connection for ground.
Connect these wires to your trailer's existing wiring system, ensuring proper polarity. It is recommended to use heat-shrink butt splices for secure and weather-resistant connections.


For a visual guide on the product, consider watching the official product video:
5. Operation
Once properly installed and wired, the Partsam LED Trailer Fender Lights will operate in conjunction with your trailer's running lights. The amber LED will illuminate towards the front, and the red LED will illuminate towards the rear, providing continuous clearance marking.


6. Maintenance
These LED fender lights are designed for minimal maintenance. To ensure optimal performance and longevity:
- Regularly inspect the lights for any physical damage or loose connections.
- Clean the lenses periodically with a soft cloth and mild soap to remove dirt and debris that may obstruct light output. Avoid abrasive cleaners.
- Check wiring for signs of wear, fraying, or corrosion, especially after exposure to harsh weather conditions.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lights not illuminating | No power supply, incorrect wiring, loose connection, faulty light. | Check power source and fuses. Verify wiring polarity (black to positive, white to ground). Secure all connections. Test with a known good power source. Replace if faulty. |
| Lights are dim | Low voltage, poor ground connection, dirty lens. | Ensure adequate voltage supply. Check ground connection for corrosion or looseness. Clean the light lenses. |
| Moisture inside lens | Seal compromise. | While lights are sealed, extreme conditions or damage can compromise. Inspect for cracks. If persistent, replacement may be necessary. |
8. Specifications
- Brand: Partsam
- Model Number: 185218
- Color: Amber, Red
- Specific Uses: Fender Light
- Vehicle Service Type: Trailers
- Special Feature: Pre-wired fender light assembly, Front clearance (Amber LED), Rear (Red LED)
- Wattage: 5 watts
- Auto Part Position: Front
- Lens Material: Plastic
- Assembly Required: No
- Automotive Fit Type: Universal Fit
- Item Weight: 1 pounds (for the set)
- Package Dimensions: 8.46 x 6.22 x 1.3 inches
- Safety Rating: DOT Certified
9. Warranty and Support
For warranty information or technical support regarding your Partsam LED Trailer Fender Lights, please refer to the official Partsam website or contact their customer service directly. Keep your purchase receipt for any warranty claims.
You can visit the Partsam Store for more products and information: Partsam Store