Do these use factory wiring harnesses, or do I need new connectors?

These are designed to integrate with existing T680 electrical harnesses. Verify connector type before purchase to confirm compatibility with your cab's wiring.

Will these fit if my truck has aftermarket light modifications already installed?

These mount at factory rocker points. If you've added custom brackets or relocated original mounts, test-fit before committing to installation. Existing modifications may need adjustment.

What's your return window if these don't fit my specific truck?

Check the return policy at checkout. Most returns require the item to be unused and in original condition. If you're unsure about fitment, reach out before ordering.