The Aerpro APP0259 is designed to retain the factory amplified audio system in Toyota and Lexus vehicles while upgrading to a compatible aftermarket head unit. This harness plugs directly into the factory Toyota connector behind the original head unit, converting it into four RCA plugs for seamless connectivity to the aftermarket unit. It also includes an ISO connector for power and earth connections, making installation straightforward when paired with the Aerpro APP8 ISO harness.

Kit Includes:

• APP0259 18 Pin ISO Harness

Features:

• Allows aftermarket head units to integrate with the factory amplifier in your Toyota or Lexus
• Toyota specific plug converts to 4 standard RCA plugs and ISO for power/earth connections
• Aftermarket head unit must have Front and Rear RCA AMP inputs
• Compatible with Aerpro APP8 Aftermarket Head unit ISO Harnesses
• Simplifies head unit installation

To suit the following vehicle/make/model:

• Lexus IS300 2001-2005

Note:

• Aftermarket head unit must have Front and Rear Inputs for amplifier
• Wiring can change from vehicle to vehicle. Please check factory wiring before installing.
• Blue/white: amp trigger
• Pink: Mute
• Suitable for Lexus models with 18 pin connectors
• The aftermarket head unit requires 4 RCA inputs (front / rear)

Part number: APP0259