Driving Lights

Frequently Asked Questions About Driving Lights

What are driving lights used for on a semi-truck?

Driving lights are auxiliary lights mounted on the exterior of a truck, typically on the bumper, grille, or cab, to supplement the factory headlights. They are commonly used to improve visibility in low-light conditions, add auxiliary forward lighting, or enhance the overall look of the truck. Many drivers also use them for added style and to give their rig a more customized appearance.

Will these driving lights fit my truck?

Because this category features universal driving lights, they are designed to work across a wide range of makes and models rather than being built for one specific truck. Fitment typically depends on the mounting method, such as bolt-on brackets, magnetic bases, or clamp-style mounts, rather than a specific vehicle match. Be sure to check the mounting style, bracket dimensions, and wiring connectors listed on each product page to confirm it will work with your existing setup.

What is the difference between LED, halogen, and HID driving lights?

LED driving lights are the most common option today, known for long lifespan, low power draw, and durability against vibration common in trucking. Halogen lights are more traditional, generally less expensive, but tend to produce less light output and burn out faster. HID lights produce a bright, white light but require a ballast and are less common in universal driving light kits. Most products in this category are LED-based, though it is worth checking the listing to confirm the light source.

Are these driving lights legal to use on the road?

Regulations for auxiliary lighting vary by state and by how the lights are used, including color, mounting height, and whether they are wired to run with your low beams, high beams, or as a separate switch. Amber, white, and colored lighting rules differ depending on placement and function. We recommend checking your state's DOT and lighting regulations before wiring and using any auxiliary lights to make sure your setup is compliant.

How do I wire and install universal driving lights?

Most universal driving lights come with a wiring harness, relay, and mounting hardware, but installation specifics can vary by kit. Generally, installation involves mounting the light housing using the included bracket, running the wiring harness to a switched power source or relay, and grounding the unit to the chassis. Always reference the instructions included with your specific light kit, and if you are not comfortable with wiring, a professional installer can ensure everything is connected safely and correctly.