Baja Designs LP Series Backlit Add-On Wiring Harness (LP9 / LP6 / LP4)

Universal Fit | Part Number: 640176

Unlock the full functionality of your LP-series lights with the Baja Designs LP Backlit Add-On Wiring Harness. Designed specifically for LP9, LP6, and LP4 lights, this harness allows you to easily activate the integrated backlight (DRL/amber accent) feature without replacing your existing wiring setup.

This add-on harness is the perfect solution for customers who already have their lights installed but want to take advantage of the backlighting feature. It connects seamlessly to your current harness and provides a clean, simple way to wire your backlight to keyed power or a fuse panel.

With included fuse taps, connectors, and installation hardware, this kit eliminates guesswork and ensures a quick, professional install.

Key Features

• Universal fitment
• Part Number: 640176
• Designed for LP9, LP6, and LP4 lights
• Adds backlight / DRL functionality
• Works with existing wiring harness
• No need to replace primary harness
• Multiple wiring options (fuse tap or splice)
• Includes fuse taps and connectors
• Plug-and-play style integration
• Clean and simple installation
• Limited lifetime warranty

⚠️ Fitment Note (IMPORTANT)

❗ Designed for LP9, LP6, and LP4 lights ONLY
❗ Will NOT work with LP Sport models
❗ Intended as an add-on harness (requires existing main harness)
❗ Verify your current wiring setup before ordering

👉 This is critical — prevents incorrect installs and returns

Add Backlight Functionality

• Activates factory backlight feature on LP-series lights
• Perfect for DRL or accent lighting
• Enhances visibility and styling

👉 One of the easiest upgrades you can make to LP lights

Simple Integration

• Connects to existing harness
• No need to rewire entire lighting system
• Multiple install options (fuse tap or keyed power)

👉 Designed for fast, hassle-free installation

Complete Installation Kit

• Includes fuse taps for common applications
• Includes splice connector
• Zip ties and instructions included

👉 Everything needed for a clean install

Built for Off-Road Durability

• High-quality wiring and connectors
• Designed for vibration and harsh environments
• Reliable long-term performance

Engineered to match the durability of Baja Designs lighting systems.

What’s Included

• LP backlit add-on wiring harness
• 4 fuse taps
• Splice connector
• Zip ties
• Installation instructions

Specifications

• Compatibility: LP9 / LP6 / LP4
• Function: Backlight activation
• Connection Type: Add-on harness
• Install Type: Fuse tap or splice
• Voltage: 12V system

Installation

Designed to integrate with existing harness
Connect to fuse panel or keyed power
No full harness replacement required
Professional installation recommended
Typical install time: ~20–40 minutes

Why Buy from Iron Ridge Offroad

✔ Fast Shipping
✔ Authorized Premium Brands
✔ Fast Processing
✔ Off-Road Experts You Can Trust

Add style and functionality to your lighting setup with the Baja Designs LP Backlit Add-On Harness (640176) the easiest way to activate your LP-series backlight and complete your off-road build.