1. Introduction
Thank you for choosing the Eagle Eye Lights DS661-B101R Headlight Assembly. This manual provides essential information for the proper installation, operation, and maintenance of your new headlight assembly. Please read these instructions carefully before proceeding with installation or use to ensure safety and optimal performance.
This headlight assembly is designed for the front right position of compatible vehicles, offering a direct replacement for OEM part number 26025-ZB900.
2. Product Overview
The Eagle Eye Lights DS661-B101R is a high-quality replacement headlight assembly engineered to meet or exceed original equipment specifications. It features a durable polycarbonate lens and a waterproof design for reliable performance in various conditions.

Image 1: Front right view of the Eagle Eye Lights DS661-B101R Headlight Assembly. The assembly features a clear polycarbonate lens, an amber turn signal reflector on the side, and multiple internal light compartments for various lighting functions.
Key Features:
- Designed for the Front Right vehicle position.
- Direct replacement for OEM Part Number 26025-ZB900.
- Interchangeable with part numbers 20-6645-01 and 315-1157R-ASH.
- PartsLink Number: NI2519104.
- Waterproof construction for enhanced durability.
- Clear polycarbonate lens for optimal light output and resistance to impact.
3. Safety Information
Always prioritize safety during installation and maintenance. Failure to follow safety guidelines may result in injury or damage to the vehicle.
- Disconnect Battery: Before beginning any electrical work, disconnect the vehicle's negative battery terminal to prevent electrical shock or short circuits.
- Wear Protective Gear: Use appropriate personal protective equipment, including safety glasses and gloves.
- Professional Installation: If you are not experienced with automotive electrical systems or bodywork, it is highly recommended to seek professional installation.
- Handle with Care: Avoid touching the bulb glass directly with bare hands, as oils can reduce bulb life.
- Secure Fasteners: Ensure all mounting bolts and clips are securely fastened to prevent the headlight assembly from vibrating loose.
4. Setup and Installation
This section outlines general steps for installing the headlight assembly. Specific vehicle models may have variations in the installation process. Refer to your vehicle's service manual for detailed instructions.
Tools and Materials (Typical):
- Socket wrench set
- Screwdriver set (Phillips and flathead)
- Plastic trim removal tools
- New headlight assembly (DS661-B101R)
Installation Steps:
- Prepare Vehicle: Park the vehicle on a level surface, engage the parking brake, and turn off the engine. Disconnect the negative terminal of the battery.
- Access Headlight: Depending on your vehicle, you may need to remove the front bumper, grille, or fender liner to access the headlight mounting bolts.
- Remove Old Headlight: Locate and remove all mounting bolts, screws, and clips securing the existing headlight assembly. Carefully pull the old assembly away from the vehicle.
- Disconnect Wiring: Disconnect the electrical connectors from the bulbs and the main harness.
- Install New Headlight: Connect the electrical connectors to the new DS661-B101R assembly. Carefully position the new headlight assembly into its mounting location.
- Secure Assembly: Reinstall all mounting bolts, screws, and clips, ensuring the assembly is firmly seated and aligned.
- Reassemble Vehicle: Reinstall any removed bumper, grille, or fender liner components.
- Reconnect Battery: Reconnect the negative battery terminal.
- Test and Adjust: Turn on the headlights to verify proper function of all lights (low beam, high beam, turn signal, parking light). Adjust headlight aim if necessary, following your vehicle's specific aiming procedures.
5. Operation
The Eagle Eye Lights DS661-B101R Headlight Assembly functions identically to the original equipment headlight. Its operation is controlled by your vehicle's existing headlight switch and stalk controls.
- Low Beams: Provide illumination for general driving conditions.
- High Beams: Offer increased illumination for rural or unlit roads when no oncoming traffic is present.
- Turn Signal: Indicates your intended turning direction.
- Parking Light: Provides visibility when parked or in low-light conditions.
Always ensure your headlights are clean and properly aimed for optimal visibility and to avoid dazzling other drivers.
6. Maintenance
Regular maintenance helps ensure the longevity and performance of your headlight assembly.
- Cleaning: Clean the exterior lens regularly with a soft cloth and mild automotive soap and water. Avoid abrasive cleaners or harsh chemicals that can damage the polycarbonate lens.
- Inspection: Periodically inspect the headlight assembly for any signs of damage, cracks, or moisture intrusion. Check electrical connections for corrosion or looseness.
- Bulb Replacement: If a bulb fails, replace it with a bulb of the correct type and wattage specified by your vehicle manufacturer. Refer to your vehicle's owner's manual for bulb specifications and replacement procedures.
7. Troubleshooting
This section addresses common issues you might encounter with your headlight assembly.
Common Issues and Solutions:
- Headlight Not Working:
- Check the bulb: The bulb may be burnt out and require replacement.
- Check the fuse: A blown fuse in the vehicle's fuse box can cause a headlight to stop working. Consult your vehicle's manual for fuse locations.
- Check wiring connections: Ensure all electrical connectors are securely attached and free of corrosion.
- Dim or Flickering Headlight:
- Inspect bulb: A failing bulb can appear dim or flicker before completely burning out.
- Check electrical connections: Loose or corroded connections can cause intermittent power supply.
- Verify vehicle's electrical system: Issues with the alternator or battery can affect headlight brightness.
- Moisture Inside Headlight:
- Minor condensation that dissipates quickly is normal.
- If significant moisture or water accumulates, check for proper sealing around the assembly and ensure all bulb caps are securely in place. If the issue persists, the seal may be compromised.
- Improper Headlight Aim:
- After installation, headlights may require adjustment. Refer to your vehicle's service manual for specific aiming instructions and procedures.
If you are unable to resolve an issue, consult a qualified automotive technician.
8. Specifications
| Specification | Detail |
|---|---|
| Brand | Eagle Eye Lights |
| Model Number | DS661-B101R |
| Position | Front, Right |
| OEM Part Number | 26025-ZB900 |
| Interchange Part Numbers | 20-6645-01, 315-1157R-ASH |
| PartsLink Number | NI2519104 |
| Lens Material | Polycarbonate |
| Lens Color | Clear |
| Housing Color | Black |
| Special Feature | Waterproof |
| Vehicle Service Type | Car |
| Automotive Fit Type | Vehicle Specific Fit |
| Assembly Required | No (referring to the unit itself) |
| Item Weight | 6 pounds |
| UPC | 818107969515 |
9. Warranty and Support
For information regarding warranty coverage, terms, and conditions for your Eagle Eye Lights DS661-B101R Headlight Assembly, please refer to the documentation provided at the time of purchase or contact the retailer or manufacturer directly. Support for installation or technical inquiries should also be directed to the point of purchase or Eagle Eye Lights customer service.





