Easily add amplifier(s) to Toyota factory amplified systems without cutting or modifying the original wiring. Simplify speaker wire connections by using the APH-TY01 speaker connection harness when adding aftermarket amplifier(s) to select Toyota vehicles. Featuring OEM quality, factory style plugs, the APH-TY01 quickly and securely plugs into the factory amplifier harness allowing an aftermarket amplifier to be more easily installed. Industry standard wire colors on the APH-TY01 harness makes identifying the factory speakers faster and also ensures proper speaker wiring polarity. Key Features Perfect for use with AmpPRO AP4-TY11 EIA standard color coded wires makes identifying factory speaker wires and phase easier APH-TY01 harness eliminates having to run speaker wire throughout the car 18” Harness length