Upgrade your Toyota audio system with the Sound Way Car Stereo Wiring Harness Adapter – engineered as a stereo wiring harness adapter and car radio harness for effortless installation. Featuring a true plug & play ISO connector, this radio wiring harness adapter lets you connect your aftermarket system without cutting into factory wiring. Compatible with Corolla, Camry, RAV4, Highlander, and also designed as a wiring harness for Toyota Tacoma, this solution ensures a precise fit. It also doubles as a toyota speaker adapter, making it the most versatile choice for Toyota owners. Built to OEM standards, the adapter retains steering-wheel controls while delivering clean audio signals for both factory and aftermarket setups. Whether you're installing an amplifier harness, stereo adapter harness, or upgrading your head unit, this car stereo harness adapter guarantees reliability. With durable construction, multi-color wiring, and secure connectors, it's the professional choice for installers and DIY enthusiasts. Perfect for anyone looking for a trusted radio adapter for car stereo to improve sound quality and preserve OEM features.