1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of the ZORZA Inner Tail Light Pair designed for Acura RDX models from 2016 to 2017. Please read this manual thoroughly before installation to ensure proper function and safety.
2. Product Overview
The ZORZA Inner Tail Light Pair is engineered to meet or exceed industry standards for quality and performance, providing reliable illumination for your vehicle. These tail lights integrate brake, turn signal, and reverse light functions within a single assembly, enhancing both vehicle safety and aesthetic appeal.

Figure 2.1: ZORZA Inner Tail Light Pair, showing both left and right assemblies.

Figure 2.2: Detailed view of the ZORZA Inner Tail Light assembly, highlighting lens design.

Figure 2.3: Another detailed view of the ZORZA Inner Tail Light, showing internal components.
Key Features:
- Fitment: Specifically designed for Acura RDX 2016-2017 models.
- Position: Includes both left and right inner tail light assemblies.
- Integrated Functionality: Combines brake, turn signal, and reverse lights.
- Durable Construction: Crafted from high-quality materials for superior strength and longevity.
- Power-Efficient: Utilizes LED technology for bright light output with low power consumption.
- Security-Certified: Meets or exceeds safety standards for vehicle illumination.
3. Specifications
| Attribute | Detail |
|---|---|
| Brand | ZORZA |
| Model Number | A86101-685646396085 |
| Compatible Vehicle | Acura RDX (2016-2017) |
| Part Numbers (OEM Equivalent) | AC2802105, AC2803105, 34150TX4A51, 685646396085, 34155-TX4-A51, 34155TX4A51 |
| Bulb Included | Yes |
| Specific Uses | Brake Lights, Turn Signals, Reverse Lights |
| Special Feature | Waterproof |
| Assembly Required | No (Pre-assembled unit) |
| Item Weight | Approximately 20 pounds (for the pair) |
4. Installation Instructions (Setup)
Follow these steps carefully to install the ZORZA Inner Tail Light Pair. Professional installation is recommended if you are unfamiliar with automotive electrical systems.
- Preparation:
- Ensure the vehicle is turned off and parked on a flat, stable surface.
- Engage the parking brake.
- Gather necessary tools (e.g., screwdriver set, trim removal tools).
- Accessing the Existing Tail Light:
Locate the fasteners or clips securing the existing tail light assembly. These are typically accessible from inside the trunk or by removing a small access panel. Carefully remove these fasteners.

Figure 4.1: Rear view of the ZORZA Inner Tail Light assembly, showing mounting points and electrical connector.
- Removing the Old Tail Light:
Once fasteners are removed, gently pull the old tail light assembly away from the vehicle body. Be cautious not to damage any paint or surrounding trim. Disconnect the electrical wiring harness by pressing the release tab and pulling the connector apart.
- Installing the New Tail Light:
Align the new ZORZA Inner Tail Light assembly with the opening in the vehicle body. Ensure all mounting tabs and alignment pins are correctly positioned. Reconnect the electrical wiring harness, ensuring it clicks securely into place.

Figure 4.2: Front view of the ZORZA Inner Tail Light, illustrating the lens and light elements.
- Securing the New Tail Light:
Push the new tail light assembly firmly into place. Reinstall all fasteners or clips that were removed earlier. Ensure the assembly is snug and flush with the vehicle body.
- Testing:
Before fully reassembling any interior trim, turn on the vehicle and test all tail light functions: brake lights, turn signals (left and right), and reverse lights. Confirm that all lights illuminate correctly and without error messages on the dashboard.
- Final Assembly:
Once all functions are verified, reassemble any interior trim panels that were removed during the installation process.
5. Operation
The ZORZA Inner Tail Light Pair operates automatically in conjunction with your vehicle's electrical system. Its primary functions are:
- Constant Illumination: When headlights are activated, the tail lights provide continuous red illumination, signaling your vehicle's presence to following traffic.
- Brake Lights: When the brake pedal is pressed, the tail lights illuminate brighter to indicate deceleration or stopping.
- Turn Signals: When the turn signal lever is engaged, the amber section of the tail light flashes to indicate a directional change.
- Reverse Lights: When the vehicle is shifted into reverse, the white section of the tail light illuminates to signal backing up.
These functions are crucial for road safety, ensuring clear communication with other drivers.
6. Maintenance
The ZORZA Inner Tail Light Pair is designed for durability and minimal maintenance. Follow these guidelines to ensure optimal performance and longevity:
- Regular Cleaning: Keep the tail light lenses clean from dirt, dust, and road grime using a soft cloth and mild automotive cleaner. Avoid abrasive materials that could scratch the lens.
- Inspect for Damage: Periodically check the tail light assemblies for any signs of cracks, moisture intrusion, or physical damage. Address any issues promptly to prevent further complications.
- Electrical Connections: Ensure the electrical connectors remain secure and free from corrosion. If corrosion is present, carefully clean the contacts.
- Bulb Replacement: While these units are designed with long-lasting LEDs, if any individual light element fails, consult a qualified technician for repair or replacement of the entire assembly if necessary.
7. Troubleshooting
If you encounter issues with your ZORZA Inner Tail Light Pair, consider the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Tail light not illuminating | Loose electrical connection, blown fuse, faulty wiring. | Check electrical harness connection. Inspect vehicle's fuse box for a blown fuse related to tail lights and replace if necessary. Consult a professional for wiring issues. |
| Only one function (e.g., brake light) not working | Specific wiring issue, internal component failure. | Verify the specific wiring for that function. If the unit is sealed, it may require replacement. |
| Moisture inside the lens | Improper seal, crack in housing. | Ensure the tail light is properly seated and sealed against the vehicle body. Inspect for cracks. If persistent, the unit may need replacement. |
| Lights flickering | Loose connection, voltage fluctuation. | Check all electrical connections for tightness. Consult a professional to diagnose vehicle electrical system issues. |
If these steps do not resolve the issue, it is recommended to consult a certified automotive technician.
8. Warranty and Support
ZORZA products are manufactured to high standards. For specific warranty information, please refer to the documentation included with your purchase or contact ZORZA customer support directly. Keep your proof of purchase for warranty claims.
For technical assistance or further inquiries, please visit the official ZORZA website or contact their customer service department.