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LED Truck Light Accessories

This collection brings together front grille LED pods, white and Bluetooth RGBW rock lights, vehicle-specific third brake lights, and cab roof marker lights. Together, they cover four distinct truck-lighting zones: front-end visibility, underbody and trail illumination, rear brake signaling, and roofline marker or clearance lighting.

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With a 4.95 average rating across Google and Judge.me, Underground Lighting has earned the trust of drivers looking for dependable LED lighting upgrades. See why customers choose us for fitment support, quality products, fast shipping, and brighter lighting solutions for cars, trucks, and SUVs.

Truck Lighting Accessories for Visibility, Safety & Off-Road Illumination

Truck light accessories are auxiliary automotive lighting systems designed to improve vehicle visibility, off-road capability, and safety communication. These products expand the factory lighting system by adding front grill lights, underbody rock lights, cab roof clearance lights, and LED third brake lights, each serving a different functional lighting role on trucks and utility vehicles.

Most products in this collection use solid-state LED lighting technology, where light is generated through electroluminescence in semiconductor diodes. Compared with halogen lighting, LEDs provide higher energy efficiency, lower heat output, and longer lifespans (often 25,000–50,000 hours). These lighting modules operate on 12-volt DC vehicle electrical systems and integrate with vehicle wiring harnesses, fuse protection circuits, and auxiliary switch panels.

Truck lighting accessories are typically installed in four key vehicle zones:

  1. Front grille area – visibility and vehicle recognition
  2. Undercarriage and wheel wells – terrain illumination
  3. Cab roofline – marker and clearance indication
  4. Rear cab panel – brake signal reinforcement

Together, these lighting systems create a layered vehicle lighting architecture that combines functional safety lighting, off-road illumination, and aesthetic customization.

Product Categories in This Truck Light Accessories Collection

This collection includes four main lighting categories, each aligned with specific vehicle lighting functions.

LED Front Grill Lights

LED front grill lights are surface-mounted LED pods installed inside the truck grille to increase front-vehicle visibility and identification. These lights are commonly referred to as front grill LED lights for trucks and are often installed on pickup trucks such as the Ford F-150, Dodge Ram, and other utility vehicles.

The Underground Lighting universal grille-light system is available with amber or white LED pods in 3-, 4-, or 5-light configurations. Amber is commonly selected on off-road, utility, and fleet builds where a distinct front-end light signature is preferred, while white provides a clean visible accent. These lights remain auxiliary lighting and do not replace the vehicle's required headlights.

RGBW LED Rock Lights

LED rock lights, also known as underbody lights or trail lights, are installed beneath the vehicle to illuminate terrain around tires and suspension components.

This category includes both single-color white rock lights and RGBW rock lights with Bluetooth control. The 9W white option provides focused, functional illumination, while the RGBW system is available in 4- or 8-pod configurations with dedicated red, green, blue, and white LEDs.

These setups provide close-range illumination around wheel wells and underbody areas, helping drivers see rocks, ruts, suspension components, and nearby trail obstacles during night off-road driving.

LED Third Brake Lights (CHMSL)

Third brake lights, also known as Center High-Mounted Stop Lamps (CHMSL), are installed on the rear upper cab section of trucks.

This collection includes a vehicle-specific Dodge Ram LED 3rd Brake Light with a black/smoked lens. The assembly combines 9 red LEDs for the brake-light function and 9 white LEDs for cargo-bed illumination, providing both rear signaling and practical bed lighting from one housing.

Its high-mounted position provides an additional central brake indication above the truck's lower tail lamps, helping following drivers identify braking more clearly.

Cab Roof Marker & Clearance Lights

Cab roof lights, also known as marker lights or clearance lights, are mounted along the top edge of the truck cab.

These lights are commonly used on larger trucks and commercial vehicles, while aftermarket roof-light sets are also installed on compatible pickup trucks for visibility and styling. When used as regulated clearance or identification lighting, their placement and function must match the applicable vehicle-width and lighting requirements.

The Underground Lighting cab-roof set includes five white LED lamps with smoked lenses, with each lamp containing 12 LEDs. The kit includes mounting hardware.

Explore the Underground Lighting collection and check compatibility with our Vehicle Search Tool.

Why Choose Underground Lighting Truck Light Accessories

  • Improved Vehicle Visibility

    Underground Lighting auxiliary lighting systems increase vehicle recognition distance, making trucks easier to see in low-light environments and poor weather conditions.

  • Enhanced Off-Road Terrain Awareness

    Underground Lighting LED third brake lights provide extra braking visibility, helping reduce the risk of rear-end collisions.

  • Additional Brake Signalling

    LED third brake lights provide extra braking visibility, helping reduce the risk of rear-end collisions.

  • Better Vehicle Identification

    Underground Lighting front grille lights and roof marker lights help identify vehicle width, height, and position, especially for work trucks and fleet vehicles.

  • Customization and Styling

    RGBW rock lights and grille lighting from Underground Lighting let owners customize the look of trucks and off-road vehicles

  • Durable Lighting for Harsh Environments

    Most Underground Lighting truck lighting accessories feature sealed LED housings, vibration resistance, and waterproof ratings, making them suitable for dust, mud, and extreme weather.

How to Choose the Right Truck Lighting Accessories

Choose the lighting type according to where you need illumination or signaling and what you want that part of the truck to do.

  • Front grille: Choose amber or white grille pods for front-end lighting and identification; kits are available with 3, 4, or 5 pods.
  • Wheel wells and underbody: Choose the 9W white rock light for focused illumination or RGBW pods when you also want Bluetooth-controlled colors and effects.
  • Rear cab: Use a vehicle-specific third brake light when replacing or upgrading the complete CHMSL housing.
  • Cab roof: Choose marker or clearance lights only after checking roof mounting space, wiring, and the vehicle's required lighting configuration.
  • Check fitment carefully: Universal rock and grille lights rely mainly on mounting space, while third-brake-light assemblies require exact vehicle compatibility.
  • Plan the electrical load: Confirm voltage, wiring, fuse protection, controllers, and switching requirements for every accessory being installed.

Watch these helpful Underground Lighting videos for step-by-step guidance, product details, and real-world installation tips.

Check Compatibility with our Vehicle Search Tool !

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Truck Light Accessories FAQs

Pricing depends on the lighting type and configuration. Underground Lighting's current range starts at $19.99 for an individual 9W white rock light, while RGBW rock-light systems start at $189.99. Universal grille lights start at $99.99, the Dodge Ram third brake light is $59.99, and the five-piece cab-marker set is $89.99. Prices and promotions can change.

Universal grille lights do not depend on a vehicle-specific bulb socket, but the truck still needs a suitable mounting surface and enough room for the pods and wiring. Underground Lighting's grille pods require a flat mounting area and are designed for vehicles with an open grille, so check physical clearance before installation.

They can share a circuit only when the combined current draw, wire size, fuse rating, switch or relay capacity, and vehicle electrical system can handle the total load. Separate circuits are often easier to control when grille lights, rock lights, cargo lights, and other accessories serve different functions.

Any accessory lighting can discharge a battery if left on long enough while the engine is off. The effect depends on the number of lights, their total power draw, battery condition, and operating time. Wire multi-pod installations through an appropriately protected and controlled circuit.

Roof-marker leaks commonly develop when a gasket or mounting seal does not compress correctly, is damaged, or deteriorates over time. Water can then travel through the mounting opening into the headliner. Inspect the seals and mounting points rather than simply tightening the screws, since overtightening can also prevent a proper seal.

Loose power or ground connections commonly cause intermittent LED operation. Check the wiring harness, connectors, ground point, fuse, and supply voltage first. If one pod flickers while the others remain stable, inspect that individual pod and its connection separately.

No. Federal clearance and identification-light requirements depend in part on vehicle dimensions and classification. Under FMVSS 108, additional clearance and identification lighting requirements apply to trucks 80 inches or more in overall width. Optional marker lights installed on narrower pickups should still comply with applicable federal, state, and local lighting rules.

A damaged, compressed, incorrectly seated, or poorly sealed CHMSL gasket can allow water to enter between the light housing and the truck cab. Remove the assembly, inspect the gasket and mounting surface, and correct the seal before water reaches the headliner, wiring, or interior electronics.

Rules for exterior and underbody lighting change from state to state and can stop certain colors, flashing looks, or use when the vehicle is moving. So make sure to look at RGBW lighting modes and compare them with the laws where the truck will be driven before using them on roads.

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