FOR USE WITH AP4-TY11;Simplify speaker wire connections using the APH-TY03 speaker connection harness when adding aftermarket amplifier(s) to select Toyota vehicles. Featuring OEM quality, factory style plugs, the APH-TY03 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-TY03 harness make identifying the factory speakers faster and also ensures proper speaker
