The Metra 70-8117 is a factory amplifier bypass harness designed for select 2003–2009 Toyota vehicles equipped with factory amplified audio systems. This harness allows installers to bypass the OEM amplifier and directly connect an aftermarket radio to the vehicle’s speaker wiring, simplifying installation while eliminating the need to interface with the factory amp. With a 204-inch extended harness length and plug-and-play vehicle connectors, the 70-8117 is a popular solution for Toyota JBL and amplified-system radio upgrades Features & Highlights Factory amplifier bypass harness Designed for select Toyota amplified systems Bypasses factory OEM amplifier Plug-and-play vehicle-specific connectors 204-inch harness length No cutting of factory radio connectors required Provides direct speaker connection from aftermarket radio Includes power harness integration Simplifies aftermarket radio installation Color-coded wiring for easier installation Specifications Specification Details Product Type Amplifier Bypass Harness Manufacturer Metra Electronics Model Number 70-8117 Vehicle Compatibility Select Toyota Vehicles Factory System Compatibility Amplified Systems Harness Length 204 Inches Installation Style Plug-and-Play Factory Amplifier Retention No (Bypassed) Wire Coding Standard EIA Color-Coded Included Harness Includes 70-8113 Power Harness Compatible Vehicle Applications 2003–2006 Toyota 4Runner 2005–2006 Toyota Matrix 2004–2005 Toyota Prius 2005–2006 Toyota Sequoia 2004–2006 Toyota Sienna 2004–2006 Toyota Solara 2005–2006 Toyota Tacoma 2004–2006 Toyota Tundra
