Labour Day Sale. 10% off select brands, an extra 20% off Clearance, up to $250 off MBRP truck exhaust. Shop the sale
Labour Day Sale, ends Tuesday. Shop the deals
Tariff drama? Not here. Every order ships with zero surprise fees.
Tariff drama? Not here. Every order ships with zero surprise fees.


SKU: SKU: BAJ600109
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.
| Product Type | Auxiliary Light Wiring |
WARNING: Prop 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Free Canadian Shipping on Orders $399+*
No Duties or Brokerage Fees in Canada
500K+ Parts from 400+ Trusted Brands
