1. Product Overview
This manual provides instructions for the UNITED PACIFIC 34131 LED Heated Headlight. This product is a rectangular 4x6 inch LED headlight designed for automotive applications, featuring a black housing, chrome reflector, and a heated lens for improved visibility in adverse weather conditions. It functions as a low beam headlight.

Image 1.1: Front view of the UNITED PACIFIC 34131 LED Heated Headlight. The headlight features a clear lens, internal LED light sources, and a chrome reflector within a black housing. The lens is rectangular with rounded corners.
Key Features:
- LED illumination for enhanced brightness and longevity.
- Heated lens functionality to prevent ice and fog buildup.
- Durable black housing with chrome reflector.
- Designed for low beam operation.
- Waterproof construction.
2. Safety Information
Read all instructions carefully before installation and use. Failure to follow these instructions may result in property damage, personal injury, or improper operation of the product.
- Electrical Safety: Disconnect the vehicle's battery before performing any electrical work to prevent electrical shock or short circuits.
- Professional Installation: Installation of automotive lighting can be complex. If you are not familiar with automotive electrical systems, it is recommended to seek professional installation.
- Heat: LED headlights can generate heat during operation. Avoid touching the headlight housing immediately after use.
- Eye Protection: Wear appropriate eye protection during installation.
- Vehicle Compatibility: Ensure this headlight is compatible with your vehicle's make and model before installation.
3. Setup and Installation
This section outlines general installation steps. Specific vehicle requirements may vary. Refer to your vehicle's service manual for detailed instructions on removing existing headlights and accessing wiring.
Required Tools (Not Included):
- Screwdrivers (Phillips and flathead)
- Wrench set
- Wire strippers/crimpers
- Electrical tape or heat shrink tubing
- Multimeter (for testing connections)
Installation Steps:
- Disconnect Battery: Disconnect the negative terminal of your vehicle's battery to prevent electrical hazards.
- Remove Existing Headlight: Carefully remove the grille and any trim pieces necessary to access the existing headlight assembly. Unbolt and disconnect the wiring harness from the old headlight.
- Inspect Wiring: Examine the vehicle's wiring harness for any signs of damage or corrosion. Clean or repair as necessary.
- Connect New Headlight: Connect the wiring harness of the UNITED PACIFIC 34131 LED Heated Headlight to the vehicle's corresponding wiring. Ensure all connections are secure and properly insulated.
- Mount Headlight: Secure the new headlight into the vehicle's headlight bucket using the appropriate mounting hardware. Ensure it is firmly seated and aligned.
- Reconnect Battery: Reconnect the negative terminal of the vehicle's battery.
- Test Functionality: Turn on the vehicle's headlights and test the low beam function. Verify that the heated lens function activates (if applicable, typically with low temperatures).
- Aim Headlights: Properly aim the headlights according to local regulations and vehicle manufacturer specifications to ensure optimal visibility and avoid blinding oncoming traffic.
- Reassemble: Reinstall any removed grille or trim pieces.
4. Operating Instructions
The UNITED PACIFIC 34131 LED Heated Headlight operates in conjunction with your vehicle's existing headlight controls.
- Low Beam Operation: Activate the low beam function using your vehicle's standard headlight switch. The LED elements will illuminate to provide forward visibility.
- Heated Lens Function: The heated lens feature is designed to automatically activate in cold weather conditions to prevent ice and fog buildup on the lens. This function typically operates when the ambient temperature drops below a certain threshold and the headlights are on. No manual intervention is usually required for the heated function.
5. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your LED headlights.
- Cleaning: Clean the headlight lens regularly with a soft cloth and mild soap and water. Avoid abrasive cleaners or harsh chemicals, as these can damage the lens material.
- Inspection: Periodically inspect the headlight for any signs of damage, such as cracks in the lens or housing, or loose wiring connections.
- Wiring: Ensure all wiring connections remain secure and free from corrosion.
6. Troubleshooting
If you encounter issues with your UNITED PACIFIC 34131 LED Heated Headlight, refer to the following common troubleshooting steps:
- Headlight Not Illuminating:
- Check the vehicle's fuse box for a blown headlight fuse.
- Verify that the wiring connections to the headlight are secure and properly connected.
- Ensure the vehicle's headlight switch is in the correct position.
- Dim or Flickering Light:
- Inspect wiring for loose connections or corrosion.
- Check the vehicle's charging system to ensure adequate voltage is supplied.
- Heated Lens Not Functioning:
- Ensure the ambient temperature is low enough for the heated function to activate.
- Verify all wiring connections related to the heated element are secure.
- Consult a professional if the issue persists, as internal components may require inspection.
- Moisture Inside Lens:
- Small amounts of condensation may occur temporarily due to temperature changes and typically dissipate.
- If significant moisture or water ingress is present, inspect the housing for cracks or improper sealing. Re-seal or replace if necessary.
If these steps do not resolve the issue, contact UNITED PACIFIC customer support or a qualified automotive technician.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | UNITED PACIFIC |
| Model Number | 34131 |
| Product Type | LED Heated Headlight |
| Dimensions (L x W x H) | 7.7 x 5.4 x 4.8 inches |
| Weight | 5 pounds |
| Housing Color | Black |
| Lens Color | Clear |
| Lens Material | Glass |
| Beam Type | Low Beam |
| Special Features | Heated, Waterproof |
| Vehicle Service Type | Car (Universal Fit) |
| UPC | 710270341313 |
8. Warranty and Support
UNITED PACIFIC products are manufactured to high-quality standards. For specific warranty information regarding the 34131 LED Heated Headlight, please refer to the warranty documentation included with your purchase or visit the official UNITED PACIFIC website.
For technical assistance, replacement parts, or further inquiries, please contact UNITED PACIFIC customer support. You can find more information and contact details on the official UNITED PACIFIC Store.



