Wiring Harness
12
Products
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AlphaRex Wiring Adapter for Headlight Assembly
- Plug-and-Play Installation
- Vehicle-Specific Compatibility
- Durable Weather-Resistant Construction
From:
$35.49
AlphaRex Wiring Adapter for Taillight Assembly
- Plug-and-Play Installation
- Maintains Factory Functionality
- Durable Weather-Resistant Design
From:
$40.00
Baja Designs LP6 and LP9 Pro-2 Light Max Wiring Harness
- Dual-Light Power Capability
- Heavy-Duty Relay & Wiring
- Plug-and-Play Installation
From:
$97.95
Baja Designs LP6 or LP9 Series Upfitter Lock-Out Wiring Harness
- Upfitter System Compatibility
- Circuit Protection Design
- Flexible Wiring Inputs
From:
$97.95
Baja Designs LP9 Sport Series Splitter 2-Light Max Wiring Harness
- Dual-Light Splitter Design
- Plug-and-Play Installation
- 12V / 12 Amp Capacity
From:
$35.95
Baja Designs On/Off Wiring Harness - OnX6 (10\"-20\") / S8 (10\"-30\") / XL Sport/XL Pro
- Vehicle Lighting Compatibility
- Plug-and-Play Installation
- Simple On/Off Control
From:
$30.95
Baja Designs OnX6/Hybrid/Laser/S8 W/Mode Switch (1 Bar) Wiring Harness
- Integrated Mode Switch Control
- Heavy-Duty Relay & Wiring
- Plug-and-Play Installation
From:
$77.95
Baja Designs OnX6/XL Hi-Power w/Mode Switch 2-Light Max (355 Watts) Wiring Harness
- 2-Light High-Power Capacity
- Mode Switch & Toggle Control
- Complete Heavy-Duty Harness Kit
From:
$77.95
Baja Designs Squadron/S2/S1 Wiring Harness
- Plug-and-Play Installation
- Supports Dual-Light Setups
- Integrated Relay & Switch
From:
$30.95
Morimoto Switched Power Harness
- Relay & Fused Power System
- Switched Power Functionality
- Plug-and-Play Installation
From:
$97.00
ORACLE Lighting 10ft ColorSHIFT RGB+W Rock Light & Wheel Ring Extension Cable
- Extended 10-Foot Length
- Weatherproof Construction
- Plug-and-Play Compatibility
From:
$12.75
Westin LED Wiring Harness
- Plug-and-Play Installation
- Integrated Fuse & Switch
- Durable Wire Loom Protection
From:
$64.15
Why You Should Upgrade Your Truck's Wiring Harness
LEER.com offers a premium selection of wiring harnesses designed to power your truck accessories safely and efficiently. Upgrading your wiring harness ensures reliable electrical connections for lighting, winches, and other aftermarket components, helping prevent shorts, power loss, and inconsistent performance.
Built for durability and long-term reliability, quality wiring harnesses feature heavy-duty insulation, weather-resistant connectors, and secure plug-and-play designs. Whether you're adding auxiliary lights, a winch, or other electrical upgrades, a properly designed harness simplifies installation and protects your vehicle's electrical system. Easy to install and engineered for dependable performance, upgraded wiring harnesses help keep your truck powered, protected, and ready for work or adventure.