Blindsider 3-1 Signals – High Output, Thoughtfully Designed Integrated LED Indicators

A true performance 3-in-1 indicator should offer flawless integration, brightness, durability, and optimised lighting control, without the need for external wiring or extra hardware. Many brands sell 2-in-1 indicators marketed as 3-in-1, requiring extra wiring, resistors, and diodes to function in the way it’s supposed to. The Kelpi 3-1 Blindsiders, however, deliver genuine 3-in-1 performance right out of the box—with dedicated LED chips and wiring for brake, running, and indicator functions, ensuring stronger brightness and hassle-free wiring. Whilst the brightness on our 3-1 Blindsiders is some of the best on the market, it’s the production elements and technical details below that really sets these above the rest.

Smart Lighting Control for Maximum Visibility
A key issue with most 3-in-1 indicators is that the brake and running light functions often compete with the amber indicator, making it difficult for traffic behind you to interpret your intentions. With the 3-1 Blindsiders, when the indicator is active, the opposite-side indicator handles the brake and running light duties, ensuring the amber signal remains clear and unambiguous.

Seamless Installation
With four separate wires (Earth, Indicator, Tail Light, Brake Light), installation is straightforward, with no need for external resistors, diodes, splitters or experience in wiring up electrical required. Crimped bullet connectors allow for easy plug-in compatibility across the widest range of motorcycles, with model specific plug and play connections available now for Yamaha and being expanded out into the future. On top of this, our slotted washers and nuts make mounting more hassle-free than ever, with no connectors needing to be pulled through the nuts when installing or uninstalling.

Built for Every Day Riding
Crafted from CNC-machined black anodised billet aluminium, the 3-1 Blindsiders are designed to handle vibrations, harsh weather, and impact stress. The reinforced silicone-filled stem prevents tension on internal wiring, while thicker PVC housing protects against heat and abrasion—far more durable than the traditional shrink wrap. Additionally, we have used 16-gauge (1.5mm) wiring that is stronger, more reliable, and less prone to burnout than the 20-gauge (0.5mm) wiring commonly found on many options across the market.

Specifications & Fitment

Dimensions: 35mm x 12mm
Housing: Black anodised CNC billet aluminium
Waterproofing: IP67 rated, fully sealed construction
Wiring:
- Red – Brake Light
- Orange – Indicator
- Brown – Running Light
- Green – Earth
- LED Output: 3 × 3W per indicator
Certification: E-Mark (E9) for ADR compliance
Sold as a Pair (For a full set of front + rear indicators, order two pairs.)

Easy Installation for All Bikes
Each pair includes universal bullet connectors for the most universal fitment. For Yamaha and Triumph riders, we also offer plug-and-play wiring adapters specifically for the indicator functions and indicator mounting plates to suit both halogen and factory LED models from the last 15-20 years — please note: if your bike came with halogen indicators from factory, you'll need to add 1x LED indicator relay to your order to ensure compatibility. Please also let us know what year your bike is at checkout and we’ll make sure the right parts are included in your order.

Find the Right Fit
If you're unsure about fitment, spacing, or how to integrate these with your build, shoot us an email. We’ve installed countless sets of indicators and can guide you to the perfect setup, whether you're wiring into a custom harness or just trying to clean up the factory look. As a general rule for non Yamaha and Triumph riders, plug and play indicator adapters for your bike purchased elsewhere will work with our bullet connectors. For brake light and running light functions, you can crimp female bullet connections to your bike, or solder up the stock indicator factory connections onto your new indicators for a clean factory finish.

Please add your motorcycle and year to the order notes to ensure we supply you with the required indicator wiring adapters. Only one relay flasher is required per bike, and LED relay flashers are not required on bikes running LED indicators from factory.

The Story

Description

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