4th Gen 4Runner Wiring & Switch Panels – 2003–2009

Build a clean, reliable electrical setup for your 4th Gen 4Runner with wiring kits and switch panels designed for rigs loaded with lighting, accessories, and off-road add-ons. This collection focuses on clean installs, dependable power distribution, and easy control over every upgrade you add to your 2003–2009 4Runner.

From plug-and-play harnesses and relay kits to full switch panels and fuse solutions, these components make it simple to expand your rig without messy wiring or electrical headaches. Whether you're powering LED pods, light bars, compressors, or onboard accessories, these wiring upgrades deliver trail-ready durability and a factory-clean look.

Outfit your 4th Gen 4Runner with wiring and control systems built to handle the adventures you put your rig through.