Frequently Asked Questions About Peterbilt 389 Glider Driving Lights

Will these driving lights fit my specific year Peterbilt 389 glider kit?

Our driving lights are designed to fit Peterbilt 389 glider kits from 2007 to present. The mounting brackets and wiring harnesses are compatible with both pre-2014 and post-2014 models, though some minor adjustments may be needed for 2014+ models due to slight bumper design changes. Always verify your truck's specific bumper configuration before ordering, as some custom bumpers may require different mounting solutions.

What's the difference between LED and halogen options, and which should I choose?

LED driving lights offer 50,000+ hour lifespan, draw less power (typically 45-60 watts vs 100-130 watts for halogen), and provide brighter, whiter light output. Halogen lights cost less upfront but require more frequent bulb replacements and produce more heat. Most drivers prefer LEDs for their longevity and superior visibility, especially for long-haul applications. Consider your budget and how often you drive at night when making your choice.

Do I need any special tools or modifications to install these lights?

Basic installation requires standard hand tools including socket wrenches, wire crimpers, and a drill with metal bits for any new mounting holes. Most installations take 2-4 hours. You'll need to tap into your existing auxiliary light circuit or install a new relay and switch. Some bumpers have pre-drilled mounting points, while others require drilling. We recommend having heat shrink connectors and dielectric grease on hand for weatherproof connections.

Are these lights DOT approved and legal for highway use?

All our driving lights meet SAE J583 standards for auxiliary forward lighting. However, state regulations vary on the number and placement of auxiliary lights allowed. Most states permit two auxiliary driving lights mounted between 16-42 inches from the ground. Check your state's specific requirements and ensure lights are properly aimed to avoid blinding oncoming traffic. Lights should be wired to turn off automatically when switching to low beams.

What size and style options are available for the 389 glider bumper?

We offer 4-inch round, 6-inch round, and 4x6-inch rectangular driving lights in chrome, black powder coat, and polished stainless steel finishes. The 4-inch rounds are most popular for a classic look, while 6-inch provide maximum light output. Rectangular lights offer a more modern appearance. All styles include adjustable mounting brackets to fit standard Peterbilt 389 bumper light holes, which are typically spaced 24 inches apart center-to-center.