Full Car Audio System Installation - Speakers, Subwoofer and Amplifier

Introduction

This tutorial provides a comprehensive guide to installing a full car audio system, including speakers, a subwoofer, and an amplifier. Designed for DIY enthusiasts, this step-by-step process focuses on a 2016 Toyota Corolla but can be adapted for other vehicles. By following these instructions, you can enhance your car's audio experience without needing professional help.

Step 1: Determine Speaker Size

• Check your vehicle’s specifications to identify the correct size of speakers.
• Use a measuring tape to measure the speaker openings in your car.

Step 2: Understand Benefits of Speakers, Amps, and Subs

• Speakers improve sound quality and clarity.
• An amplifier increases power to the speakers, enhancing volume and performance.
• A subwoofer adds depth to the audio, producing richer bass tones.

Step 3: Prepare for Installation

• Gather all necessary tools and equipment:
  • Loom tubing (3/4")
  • Recommended amp installation kit
  • Line output converter (LP7-2)
  • Klein tools crimper
  • Tesa 3/4" cloth tape
  • Sound dampening material (Dynamat)

Step 4: Run Power Wire Through Firewall

• Disconnect the negative battery terminal.
• Locate a suitable grommet in the firewall to pass the power wire through.
• Use a wire coat hanger to guide the power wire through the grommet.

Step 5: Remove Rear Seats

• Detach any clips or screws securing the rear seats.
• Carefully lift the seats out and set them aside.

Step 6: Remove Rear Deck

• Unscrew any fasteners holding the rear deck in place.
• Gently pull the rear deck up and remove it to access the rear speaker area.

Step 7: Create Custom Rear Speaker Adapter Plates

• Measure and cut the adapter plates from MDF or similar material.
• Ensure the plates fit securely in the rear speaker openings.

Step 8: Create Wiring Harness for Rear Speakers

• Use appropriate gauge wire to create a wiring harness that connects to the rear speakers.
• Crimp connections securely to avoid loose wires.

Step 9: Mount Rear Speakers and Apply Sound Dampening

• Install the rear speakers onto the custom adapter plates.
• Apply sound dampening material to the rear speaker area to minimize vibrations.

Step 10: Make Rear Speaker Connections

• Connect the wiring harness to the rear speakers.
• Ensure all connections are secure and insulated.

Step 11: Mount the Amplifier

• Choose a suitable location for the amplifier, typically near the rear speakers.
• Use screws or brackets to secure the amplifier in place.

Step 12: Connect Amplifier and Subwoofer

• Connect the amplifier to the subwoofer following the specific wiring diagram.
• Ensure connections are tight and insulated.

Step 13: Wire the Fuse

• Install an inline fuse close to the battery for safety.
• Connect the power wire to the fuse holder and then to the battery.

Step 14: Remove Front Doors and Speakers

• Detach the door panels by removing screws and clips.
• Carefully pull off the panels to access the front speakers.

Step 15: Create Custom Front Speaker Adapter Plates

• Measure and cut adapter plates for the front speakers similarly to the rear.

Step 16: Assess Tweeters

• If your system includes tweeters, determine their best mounting location.
• Ensure they are compatible with your audio setup.

Step 17: Apply Sound Dampening to Front Doors

• Install sound dampening material inside the front doors to enhance acoustics.

Step 18: Mount Front Speakers and Adapter Plates

• Install the front speakers onto the custom adapter plates.
• Secure them in place and ensure connections are correct.

Step 19: Create Custom Wiring Harness for Tweeters

• Similar to rear speakers, create a wiring harness for the tweeters.
• Ensure compatibility with the front speaker setup.

Conclusion

By following these steps, you can successfully install a full car audio system in your vehicle, enhancing your listening experience. Make sure to double-check all connections and ensure everything is securely mounted. For the best results, consider testing the system after installation to fine-tune the audio settings. Enjoy your upgraded car audio system!