Kenworth T660 Driving Lights
Frequently Asked Questions About Kenworth T660 Driving Lights
What years and models of Kenworth T660 are these driving lights compatible with?
Our Kenworth T660 driving lights are designed to fit model years 2008-2016. These lights are specifically engineered for the T660's bumper configuration and mounting points. While the basic mounting pattern remained consistent across these years, we recommend verifying your specific bumper style before ordering, as some custom bumpers or aftermarket modifications may affect fitment.
How difficult is the installation process, and what tools will I need?
Installation typically takes 2-3 hours for someone with basic mechanical skills. You'll need standard hand tools including socket wrenches (typically 10mm, 13mm, and 15mm), wire strippers, electrical tape or heat shrink tubing, and a drill with bits if your bumper doesn't have pre-existing mounting holes. Most installations require connecting to your existing headlight circuit or adding a separate switch. We recommend having a wiring diagram for your specific T660 model year handy.
What's the difference between LED and halogen options, and which performs better?
LED driving lights offer 50,000+ hour lifespan, instant-on capability, and draw significantly less power (typically 40-60 watts vs 100-130 watts for halogen). They also produce less heat and provide a crisp white light output. Halogen lights are more affordable upfront and produce a warmer yellow-white light that some drivers prefer in fog or snow. LEDs generally provide better long-distance visibility, while halogens can offer superior close-range spread in adverse weather conditions.
Are these driving lights DOT approved and legal for on-road use?
Most driving lights in our T660 collection are SAE/DOT compliant when properly installed and aimed. However, regulations vary by state regarding the number of auxiliary lights allowed and when they can be used. Generally, driving lights must be wired to turn off when high beams are activated and should be aimed below the horizon line. Check your local and state regulations, as some jurisdictions limit auxiliary lighting to off-road use only.
Will these lights fit if I have an aftermarket bumper or grille guard?
Fitment depends on your specific aftermarket bumper model. Most of our T660 driving lights use standard mounting brackets that work with popular aftermarket bumpers from manufacturers like Ali Arc, Valley Chrome, and Texas Square. However, some custom or heavy-duty bumpers may require additional brackets or modifications. We recommend measuring your available mounting space and comparing it to the product dimensions listed on each light's product page before ordering.