Light Wiring Kits & Switches
Fit Your Truck
133
Products
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AlphaRex Wiring Adapter for Headlight Assembly
From:
$35.81
AlphaRex Wiring Adapter for Taillight Assembly
From:
$40.00
Baja Designs LP6 and LP9 Pro-2 Light Max Wiring Harness
From:
$97.95
Baja Designs LP6 or LP9 Series Upfitter Lock-Out Wiring Harness
From:
$97.95
Baja Designs LP9 Sport Series Splitter 2-Light Max Wiring Harness
From:
$35.95
Baja Designs On/Off Wiring Harness - OnX6 (10"-20") / S8 (10"-30") / XL Sport/XL Pro
From:
$30.95
Baja Designs OnX6/Hybrid/Laser/S8 W/Mode Switch (1 Bar) Wiring Harness
From:
$77.95
Baja Designs OnX6/S8/XL Upfitter Wiring Harness
From:
$18.95
Baja Designs OnX6/XL Hi-Power w/Mode Switch 2-Light Max (355 Watts) Wiring Harness
From:
$77.95
Baja Designs Squadron/S2/S1 Wiring Harness
From:
$30.95
Baja Designs Toyota Tacoma Upfitter Harness
From:
$59.95
Diode Dynamics 12V 6A Wall Adapter
From:
$29.95
Diode Dynamics 2A LED PWM Dimmer with Bypass
From:
$24.95
Diode Dynamics 5202-to-H11 Adapter Wires
From:
$19.95
Diode Dynamics Add-On Foglight Wiring Harness
From:
$79.95
Diode Dynamics Add-on LED Switch Kit
From:
$14.95
Diode Dynamics Always-On Module
From:
$59.95
Diode Dynamics Anti-Flicker Module
From:
$24.95
Diode Dynamics BiXenon HID Adapter - H13
From:
$29.95
Diode Dynamics Bluetooth RGBW M8 Controller - 1-Channel
From:
$99.95
Diode Dynamics C1 HitchMount Harness
From:
$19.95
Diode Dynamics C1R HitchMount Harness
From:
$99.95
Diode Dynamics D-Switch 8-Channel Switch Panel
From:
$599.95
Diode Dynamics D-Switch Extended Battery Cable
From:
$49.95
Diode Dynamics D-Switch Hub Mounting Kit
From:
$59.95
Diode Dynamics D-Switch Stand-Off Hub Mount Kit
From:
$659.95
Diode Dynamics D1S Ballast Power Wires
From:
$14.95
Diode Dynamics D2S Bulb Adapter
From:
$29.95
Diode Dynamics DC-to-DT Adapter
From:
$3.95
Diode Dynamics Deutsch Connector Kit - 2-Pin
From:
$5.95
Diode Dynamics Deutsch DT 4-Pin Splitter Wire
From:
$14.95
Diode Dynamics Dodge Hyperblink Fix
From:
$19.95
Diode Dynamics DRL Harness
From:
$19.95
Diode Dynamics DRL Warning Canceller
From:
$14.95
Diode Dynamics DT 2-Pin Adapter Wires
From:
$9.95
Diode Dynamics DT 4-Pin Backlight Tap Wire Kit
From:
$19.95
Diode Dynamics DT 4-Pin Extension Wire
From:
$14.95
Diode Dynamics Headlight Wiring Harness - Polaris RZR Pro
From:
$29.95
Diode Dynamics Heavy Duty Offroad Wiring Harness
From:
$39.95
Diode Dynamics Inline 194 Resistor
From:
$9.95
Diode Dynamics JST to M8 Adapter Wires
From:
$4.95
Diode Dynamics LED Resistor Kit
From:
$19.95
Diode Dynamics LED Toggle Switch
From:
$3.95
Diode Dynamics LED Turn Signal Flasher
From:
$19.95
Diode Dynamics Light Duty Offroad Wiring Harness
From:
$29.95
Diode Dynamics M8 Extension Wire
From:
$3.95
Diode Dynamics M8 Four-Way Splitter
From:
$9.95
Diode Dynamics Plastic Trim Removal Set
From:
$9.95
Diode Dynamics Plug-and-Play Backlight Harness
From:
$19.95
Diode Dynamics Reverse Light Wiring Kit
From:
$59.95
Diode Dynamics RGB Fog Warning Canceller
From:
$9.95
Diode Dynamics RGBW 24-Key M8 RF Controller
From:
$59.95
Diode Dynamics RGBW M8 Splitter
From:
$5.95
Diode Dynamics RGBW Rock Light Wiring Harness
From:
$19.95
Diode Dynamics Rock Light M8 Wiring Harness
From:
$19.95
Diode Dynamics S1 Switchback Module
From:
$24.95
Diode Dynamics Single-Color Rock Light M8 Splitter Wire
From:
$5.95
Diode Dynamics SmartTap LED Flasher Module
From:
$99.95
Diode Dynamics Solid-State Relay Harness
From:
$29.95
Diode Dynamics SS3 Backlight Tap Wire Kit
From:
$4.95
Diode Dynamics SS5 CrossLink Splitter Harness
From:
$4.95
Diode Dynamics SS5 Ultra Heavy Duty CrossLink Splitter Harness
From:
$9.95
Diode Dynamics Stage Series C1R/C2R Trailer Wiring Harness
From:
$39.95
Diode Dynamics Stage Series Reverse Light Wiring Harness
From:
$19.95
Diode Dynamics Stage Series Reverse Light Wiring Harness Kit
From:
$29.95
Diode Dynamics Stage Series Standard Trailer Wiring Harness
From:
$19.95
Diode Dynamics T-Tap Kit - 8 Count
From:
$2.95
Diode Dynamics Tail as Turn Backup Module
From:
$79.95
Diode Dynamics Tail as Turn Kit
From:
$79.95
Diode Dynamics Tail as Turn Kit with Backup
From:
$119.95
Diode Dynamics Tail as Turn Module
From:
$49.95
Diode Dynamics Tail Light Sequencer
From:
$79.95
Diode Dynamics Ultra Heavy Duty Extension Wire
From:
$19.95
Diode Dynamics Ultra Heavy Duty Terminating Splitter Harness
From:
$9.95
Diode Dynamics Universal Wire Hider
From:
$19.95
Morimoto Switched Power Harness
From:
$94.00
Oracle 20AWG 2 Conductor LED Installation Wire 100M Spool
From:
$107.99
Oracle 22AWG 4 Conductor RGB Installation Wire 100M Spool
From:
$193.00
Oracle 6 Output LED Animated Startup Sequencer Module
From:
$83.99
Oracle ColorSHIFT Halo Installation Kit
From:
$50.50
Oracle ColorSHIFT V2.0 LED Controller
From:
$155.99
Oracle Dynamic ColorSHIFT Wiring Harness
From:
$118.98
Oracle High Output Data Splitter Hub
From:
$58.99
Oracle Multifunction Remote
From:
$78.50
Oracle Off-Road 40A Single Light Harness - Heavy Duty
From:
$51.50
Oracle Power Supply 5A, 12.5A, and 17A
From:
$51.99
Oracle RGB LED Signal Amplifier
From:
$50.50
Oracle RGB Multifunction Remote
From:
$118.98
Oracle Switched LED Light Bar Wiring Harness - 2 Pin Deutsch
From:
$51.50
Oracle Trigger 4 PLUS Controller Combo Kit
From:
$413.95
Oracle Trigger 4 PLUS Wireless Accessory Control System (universal)
From:
$359.95
Oracle Trigger 6 Shooter Controller Combo Kit
From:
$550.95
Oracle TRIGGER 6 Shooter RF Remote Replacement
From:
$79.95
Oracle Trigger 6 Shooter Wireless Accessory Control System (universal)
From:
$479.95
Oracle TRIGGER Controller Ford Bronco Under hood Bracket
From:
$50.00
Oracle TRIGGER ONE Bluetooth Solid State Relay
From:
$71.95
Oracle Wall Panel RGB LED Controller
From:
$83.99
Realtruck Go Rhino RGB 8 Channel Switch Controller
From:
$239.99
Realtruck Go Rhino RGB/Bluetooth 8 Channel Switch Controller
From:
$249.99
RIGID 2 Position Rocker Switch
From:
$19.03
RIGID 3 Position Rocker Switch
From:
$24.73
RIGID 360-Series Backlight Wire Harness
From:
$118.54
RIGID 360-Series SAE Fog Light Wire Harness
From:
$118.54
RIGID Adapt GPS Module
From:
$146.85
RIGID Adapt XE 3 Position Switch
From:
$92.27
RIGID Adapt XE Wire Harness
From:
$72.46
RIGID H13 to H4 Adaptor
From:
$23.85
RIGID High Power E-Series and RDS-Series Wire Harness
From:
$63.99
RIGID LED Flasher Module
From:
$91.78
RIGID Magnetic Reed Switch Power Clip
From:
$14.99
RIGID Pendant Switch Kit
From:
$57.09
RIGID Relay
From:
$32.12
RIGID Single Light Wire Harness
From:
$42.21
RIGID SR-M and SR-Q Backup Kit Harness
From:
$142.72
RIGID SR-Series and E-Series Wire Harness
From:
$60.37
Westin LED Wiring Harness
From:
$76.42
Baja Designs 10 Foot Single-Light 12V Outlet Wiring Harness
From:
$30.95
Baja Designs Light Extension Harness
From:
$14.95
Baja Designs Wire Hider
From:
$29.95
Baja Designs Squadron/S2/S1 3-Light Splitter Harness
From:
$66.95
Baja Designs 2-Light Splitter Harness
From:
$18.95
Baja Designs Fuse Tap Kit
From:
$15.95
Baja Designs 2-Light Wiring Harness
From:
$25.95
Baja Designs XL Linkable Wiring Harness
From:
$30.95
Baja Designs Reflex Motor Actuator Adapter Harness - Single
From:
$59.95
Baja Designs Reflex Motor Actuator Adapter Harness - Pair
From:
$69.95
Baja Designs RTL Wiring Harness
From:
$66.95
Baja Designs RTL-S Turn Signal Wiring Harness
From:
$27.95
Baja Designs CAN-BUS Anti-Flicker Wiring Harness
From:
$41.95
Baja Designs LP Controller Module
From:
$20.95
Baja Designs Backlight Add-On Wiring Harness
From:
$22.95
Baja Designs LP4/LP9 4-Light Splitter Harness
From:
$20.95
Baja Designs RTL-M License Plate Wiring Harness
From:
$25.95
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Wiring Harnesses for Truck Lighting & Electrical Accessories
Power your truck accessories with wiring harnesses designed for reliable electrical connections, simplified installation, and dependable performance. LEER offers wiring harnesses built for lighting systems, auxiliary accessories, off-road equipment, and vehicle upgrades used in work trucks, overland builds, and outdoor applications. Whether you’re installing light bars, work lights, cargo lighting, or other powered accessories, the right wiring harness helps create a safer and more efficient electrical setup.
Benefits of Truck Wiring Harnesses
Wiring harnesses help organize and protect electrical connections while simplifying the installation process for aftermarket accessories and lighting upgrades. Many harness systems include relays, switches, connectors, and protective coverings designed for durability in rugged driving and weather conditions.
Benefits of truck wiring harnesses may include:
- Simplified installation for powered accessories
- Reliable electrical connections and performance
- Improved organization for vehicle wiring systems
- Enhanced durability for outdoor and off-road use
- Support for lighting and auxiliary accessory upgrades
Popular Uses for Wiring Harnesses
Truck owners commonly use wiring harnesses for:
- Installing auxiliary off-road lights
- Powering light bars and cargo lighting
- Supporting work truck electrical upgrades
- Wiring overland and camping accessories
- Connecting switches, relays, and powered equipment
Shop Wiring Harnesses at LEER
LEER offers wiring harnesses designed to help truck owners safely and efficiently install lighting systems and powered accessories. Browse available wiring solutions built for durability, compatibility, and dependable electrical performance across a wide range of truck applications.
Related Truck Accessories
Explore additional products that pair well with truck wiring harnesses:
- LED Bulbs
- Auxiliary Off-Road Lights
- Work Utility Lights
- Truck Bed Cargo Lights
- Light Bars
- LED Rock Lights
FAQs
What is a truck wiring harness used for?
A wiring harness helps connect and organize electrical components for lighting systems, powered accessories, and aftermarket vehicle upgrades.
Are wiring harnesses important for auxiliary lighting installations?
Yes. Wiring harnesses help provide safe and reliable power connections for auxiliary lights, light bars, and other electrical accessories.
Can wiring harnesses simplify accessory installation?
Yes. Many harnesses include connectors, relays, and switches that help streamline installation and improve electrical organization.
Do wiring harnesses fit all trucks and accessories?
Compatibility varies depending on the vehicle, accessory type, and electrical system requirements. Always confirm compatibility before purchasing.