1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your Eagle Eyes DS661-B101R Headlight. This product is an OE-comparable replacement headlight assembly designed to meet or exceed the highest national certification requirements, including ISO 9001:2800 and ISO/TS 16949:2009, and is SAE/DOT compliant.
What's in the Box:
- Passenger Side Headlamp Lens/Housing
Please read this manual thoroughly before proceeding with installation or use.
2. Safety Information
Always prioritize safety when working on your vehicle. Disconnect the vehicle's battery before beginning any electrical work to prevent accidental short circuits or electrical shock. Wear appropriate personal protective equipment, such as safety glasses and gloves.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Ensure the vehicle is stable and secure before working underneath or around it. If you are unsure about any step, consult a qualified automotive technician.
3. Installation Guide
The Eagle Eyes DS661-B101R Headlight is designed as an OE-comparable replacement, meaning it is built to fit and function like the original factory assembly. No assembly is required for the headlight unit itself.

Image: Eagle Eyes DS661-B101R Headlight Assembly. This image shows the complete headlight unit, featuring clear lens, amber turn signal reflector, and multiple light chambers for high beam, low beam, and parking lights.
General Installation Steps:
- Prepare the Vehicle: Park the vehicle on a level surface and engage the parking brake. Open the hood.
- Disconnect Battery: For safety, disconnect the negative terminal of the vehicle's battery.
- Access Headlight Assembly: Depending on your vehicle model, you may need to remove grille components, bumper clips, or fender liners to access the headlight mounting bolts. Refer to your vehicle's service manual for specific instructions.
- Remove Old Headlight: Disconnect the electrical connectors from the old headlight assembly. Unbolt and carefully remove the old headlight unit.
- Install New Headlight: Connect the electrical connectors to the new Eagle Eyes DS661-B101R Headlight. Position the new headlight assembly into its mounting location and secure it with the bolts removed earlier. Ensure it is seated correctly and flush with the vehicle body.
- Reconnect Battery: Reconnect the negative terminal of the vehicle's battery.
- Test Functionality: Turn on the vehicle's lights (headlights, high beams, turn signals, parking lights) to ensure all functions are working correctly.
- Reassemble: Reinstall any removed grille components, bumper clips, or fender liners.
Note: Specific installation procedures may vary by vehicle make and model. Always consult your vehicle's owner's manual or a professional mechanic if you are unsure.
4. Operation
The Eagle Eyes DS661-B101R Headlight functions as a direct replacement for your vehicle's original headlight. It is designed to provide optimal illumination for safe driving and is SAE/DOT compliant, ensuring it meets regulatory standards for automotive lighting.
Key Functions:
- Low Beam: Provides standard illumination for general driving conditions, designed to illuminate the road ahead without blinding oncoming traffic.
- High Beam: Offers maximum illumination for driving in dark areas where no oncoming traffic is present.
- Turn Signal: The integrated amber reflector functions as a turn signal indicator, alerting other drivers to your intended turns or lane changes.
- Parking Light: Provides low-level illumination for visibility when parked.
Operate the headlight functions using your vehicle's standard light controls (e.g., steering column stalk, dashboard switches).
5. Maintenance
Proper maintenance will extend the life and performance of your headlight assembly. The Eagle Eyes DS661-B101R Headlight is designed to be waterproof, offering protection against environmental elements.
Cleaning:
- Regularly clean the exterior lens of the headlight with a soft cloth and mild soap and water.
- Avoid abrasive cleaners or harsh chemicals, as these can damage the lens surface.
- Rinse thoroughly with clean water and dry with a soft, lint-free cloth to prevent water spots.
Bulb Replacement:
While the headlight assembly itself is a sealed unit, the bulbs inside may eventually need replacement. Refer to your vehicle's owner's manual for specific instructions on how to access and replace the headlight bulbs (e.g., low beam, high beam, turn signal, parking light bulbs). Ensure you use the correct bulb type and wattage as specified by your vehicle manufacturer.
Note: Always handle new bulbs by their base to avoid transferring oils from your skin to the glass, which can shorten bulb life.
6. Troubleshooting
If you experience issues with your new headlight, consider the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headlight not working | Blown fuse, faulty bulb, loose electrical connection, wiring issue. | Check vehicle's fuse box for a blown headlight fuse and replace if necessary. Inspect bulb filaments and replace any burnt-out bulbs. Ensure all electrical connectors are securely attached. Inspect wiring for damage. |
| Headlight is dim | Aging bulb, poor electrical connection, dirty lens. | Replace the bulb. Check and clean electrical connections. Clean the headlight lens thoroughly. |
| Moisture inside headlight | Condensation (normal in some conditions), seal compromise. | Small amounts of condensation that dissipate quickly are normal. If persistent or excessive, check for proper sealing around the assembly and ensure all caps/covers are securely in place. If the unit is damaged, replacement may be necessary. |
If these steps do not resolve the issue, it is recommended to consult a professional automotive technician.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Eagle Eye Lights |
| Model | DS661-B101R |
| Item Weight | 10.12 pounds |
| Package Dimensions | 22.78 x 12.64 x 10.74 inches |
| Color | Clear |
| Specific Uses For Product | Head Lights |
| Vehicle Service Type | Car |
| Special Feature | Waterproof |
| Wattage | 6E+1 |
| Auto Part Position | Right |
| Lens Color | Clear |
| UPC | 889521003871 |
| Assembly Required | No |
| Manufacturer | Eagle Eyes |
| OEM Part Number | 25.70025ZB900 |
| Global Trade Identification Number | 00889521003871 |
| Manufacturer Part Number | DS661-B101R |
| ABPA Partslink Number | NI2519104 |
| Exterior | Polished |
| Date First Available | March 31, 2012 |
8. Warranty and Support
For information regarding warranty coverage, please refer to the terms and conditions provided by the original retailer or contact the manufacturer directly. This product is manufactured by Eagle Eyes.
If you require technical assistance or have questions not covered in this manual, please contact the seller from whom you purchased the product (e.g., WooParts247) or the manufacturer, Eagle Eyes, through their official support channels.





