2025 Toyota 4Runner Upfitter Harness Baja Designs

Take control of your lighting and powered accessories with the Baja Designs Upfitter Harness for the 2025 Toyota 4Runner-designed for seamless integration with the factory OEM auxiliary switches.

This plug-and-play solution allows enthusiasts to wire powered accessories directly into the OEM upfitter switches, delivering a clean, factory-style installation with no guesswork.

Ideal for off-road enthusiasts who value both functionality and professional appearance, this harness offers a reliable, organized way to manage your 4Runner's aftermarket upgrades.

Whether you're powering reverse lights, ditch lights, or a light bar, the Baja Designs upfitter harness makes it easy to stay in control, on and off the trail.

Please verify your bike model and year before purchasing. If you have questions about fitment, contact us at info@elektrischesracing.com or use the chat below — we’re riders, and we’ll help you get the right part.

Most kits are plug-and-play. Installation guides are included in the box and available on our YouTube channel. For complex installations, we recommend watching our installation videos before starting.

Will this fit my bike?
Check the product title and description for compatible models. Contact us if unsure.

How long does shipping take?
Most orders ship within 1-3 business days from Laguna Beach, CA. Free shipping on orders over $200 (Lower 48).

Do you offer financing?
Yes! Shop Pay Installments and Affirm are available at checkout.

What’s your return policy?
We accept returns within 14 days on unused items in original packaging.