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 support@elektrischesracing.com or use the chat below — we’re riders, and we’ll help you get the right part.

Installation requirements vary by product and vehicle. Review the product description and available manufacturer instructions before installation. Contact support@elektrischesracing.com for fitment or installation questions.

Will this fit my bike?
Check the product title, description, and fitment details above for compatible models. Not sure? Email support@elektrischesracing.com or use live chat and we’ll confirm before you buy.

How long does shipping take?
Availability and estimated ship time for this exact item are shown above, next to Add to Cart. Processing and shipping times vary by product and fulfillment partner. In-stock orders fulfilled directly by Elektrisches Racing generally process within 1–3 business days; supplier-shipped, made-to-order and backordered items can take longer. Shipping rates and any available free-shipping offers are confirmed at checkout.

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

What’s your return policy?
Eligible unused items may be returned within 14 days of delivery, subject to the store’s refund policy and exclusions. Baja Designs, Warp 9, GUTS Racing, Sur-Ron OEM and KO/EBMX products are not eligible for standard returns or exchanges through Elektrisches Racing; manufacturer warranty claims are handled by the manufacturer — see our Refund Policy for full details.