*USED* Tail light adapter; 300+2Pin; E3 Pro

USED Tail Light Adapter designed for seamless integration with the E3 Pro lighting system. This adapter features a 300+2Pin interface, enabling a clean, reliable connection between your tail light and the E3 Pro controller for crisp, consistent signaling and power delivery.

Why this adapter stands out

Tailored for E3 Pro setups, this connector eliminates guesswork during installation by matching the exact interface layout. Its compact design reduces cable clutter, making it ideal for tight spaces on bikes, scooters, or compact builds where a tidy wiring harness matters. Built for durability in real-world use, it offers a dependable path from the tail light to your control module without the need for makeshift adapters.

Compatibility & interfaces

Designed to work with E3 Pro control modules and tail lights that use the 300+2Pin configuration. To ensure a snug, secure fit, verify that your components share the same interface standard before pairing.

Use cases

• Retrofits: swap in this adapter to replace incompatible connectors and get your tail light wired into the E3 Pro system quickly.
• DIY lighting projects: create a clean, reliable tail-light wiring harness for custom builds without soldering new connectors.
• Maintenance: convenient replacement for worn or damaged tail-light connectors in existing E3 Pro installations.

Condition & care

This item is listed as USED and may show cosmetic signs of prior use. Functionality is expected to be intact at purchase, but electronics can vary. Inspect connectors for clean pins, avoid moisture exposure, and store in a dry place when not in use.

Installation tips

• Power off the system before connecting or disconnecting the adapter.
• Align the 300+2Pin connectors carefully and push until seated securely.
• Route and secure cables to minimize movement and vibration during operation.
• After installation, test the tail light to confirm proper operation and signaling.

What you gain with this adapter

By providing a purpose-built, E3 Pro–focused tail-light connection, this adapter reduces setup time, minimizes wiring complexity, and helps ensure stable, predictable tail-light performance across riding conditions. It’s a practical, no-nonsense solution for enthusiasts looking to retrofit or refine their lighting systems with confidence.