1. Gather the tools and parts:
- New car stereo (double-DIN size).
- Wiring harness adapter (to connect the new stereo to your vehicle’s wiring).
- Wire cutters and strippers.
- Phillips head screwdriver.
- Flathead screwdriver.
- Installation kit (for the new stereo, if not included).
- Trim removal tool (optional but helpful for prying out trim pieces without damage).
2. Disconnect the battery:
- This will prevent any electrical damage during the installation process.
- Open your vehicle's hood and locate the negative (-) battery terminal.
- Use the wrench to loosen the nut or bolt holding the negative terminal cable in place.
- Remove the cable from the battery terminal and set it aside.
3. Remove the old radio:
- Use a trim removal tool or a flathead screwdriver to pry out the trim bezel surrounding the radio.
- Be careful not to damage the surrounding trim.
- Once the bezel is removed, you will see the radio unit secured by four screws.
- Use the Phillips head screwdriver to remove these screws.
- Pull the radio unit out of the dashboard carefully, being mindful of any wires still connected to it.
- Disconnect any remaining wires from the radio.
4. Prepare the wiring:
- If your new car stereo did not come with a wiring harness adapter, you'll need to purchase and connect one.
- Match the wires from your car’s wiring harness with those on the adapter using the provided color code diagram or instructions.
- Connect the matching wires using crimp connectors or solder and electrical tape.
5. Install the new stereo:
- Slide the new stereo into the dash opening and secure it in place using the four screws you removed earlier.
- Connect the wiring harness adapter to the matching plugs on the new stereo.
- Before fully securing the stereo, turn the ignition key to the “On” position to test if everything is working correctly.
6. Reconnect the battery:
- Attach the negative (-) cable back to the battery terminal.
- Tighten the nut or bolt to secure the cable.
7. Finish the installation:
- Replace the trim bezel around the stereo and secure it in place.
- Turn on the stereo and check that all functions are working correctly.
Note: If at any point during the installation you encounter difficulties or have concerns, it's best to consult a professional car audio installer for assistance.