Welcome to the installation guide for your 2022+ Tundra Alpine Plug & Play 6, 9 or 11 Speaker bundle from Trail Grid Pro! This step-by-step guide is designed to make the installation process as smooth as possible, whether you're a seasoned DIYer or tackling your first speaker upgrade.
This guide applies to the 6x9" and 8" front door speaker options.
In this guide, you’ll find:
- 📢 Important Updates: The written guide includes the latest updates and adjustments that may not be shown in the video, ensuring you have the most up-to-date instructions for a flawless installation.
- 🎥 Installation Videos: Visual instructions to help you through the process.
- 🛠️ Tools Needed: A quick list of everything you'll need to get started.
- 📝Step-by-Step Instructions: Clear, easy-to-follow directions.
- ⚠️ Special Notes: Important information and considerations for your installation.
- 🛠️ Common Troubleshooting Solutions: Quick and effective fixes for common installation and performance issues.
Table of Contents
- Important Updates
- Installation Video
- Tools Needed
- Step 1: Remove Dash Speakers
- Step 2: Install Alpine 3" Dash Speakers
- Step 3: Remove Front Door Panels
- Step 4: Remove Front Door Speakers
- Step 5: Install Front Door Speakers
- Step 6: Reinstall Front Door Panels
- Step 7: Remove Rear Door Panels
- Step 8: Remove Tweeters & Factory Speakers
- Step 9: Install Rear Tweeters & Speakers
- Step 10: Reinstall Rear Door Panels
- Step 11: Test Functionality
- Common Troubleshooting Solutions
🎥 Installation Video
Coming Soon!
🛠️Tools Needed:
- 10mm socket
- Phillips head screwdriver
- Panel removal tool
- Zip ties
- Cutters
📝Step-by-Step Instructions
Step 1: Remove Dash Speakers
- Use a panel tool to remove the dash grilles.
- Remove the two factory 10mm bolts securing the speakers.
- Disconnect the speaker by pressing the tab.
Step 2: Install Alpine 3" Dash Speakers
- Gather the Alpine 3" speakers, brackets, and supplied #4 nuts/bolts.
- Attach the bracket to the Alpine speaker.
- Connect the provided adapter harness to the factory connector. The harness with no crossover goes to the center channel (9 and 11 speaker kits only)
- Place the speaker assembly in the dash, aligning the bracket with factory locations. (See photo below).
- Secure using the two factory 10mm bolts
- ⚠️ Do not overtighten!
- Reinstall the speaker grille by pressing it back into place.
- Repeat for the other dash speaker.
For 11 Speaker Bundles Only:
- Use a small flathead screwdriver to gently release the covers on the A pillar grab handle, exposing the 2x 10mm bolts
- Unscrew and remove the bolts, then gently pry the A pillar from the top down, being careful to pull out and up away from the windshield
- Move the tabs outward one at a time to begin removing the tweeter
- Carefully remove the tweeter from the A pillar mount.
- Insert the 1” Alpine tweeter into the A pillar mount
- Plug in the tweeter harness to the A pillar plug
- Slide the A pillar back into place then press on it so all the clips click in
- Screw the 10 mm bolts back in and then snap the covers on
Step 3: Remove Front Door Panels
- Remove the triangular trim near the mirror by pulling straight out.
- Remove three Phillips screws:
- One behind the door handle (cover removed with a panel tool)
- One inside the grab handle (underneath the felt)
- One under the window switches (remove with panel tool to expose screw)
- Remove the push clip near the door hinge.
- Release the clips along the panel edge starting at the bottom.
- Lift the panel up and off the window channel.
- Disconnect the cables and wire harnesses
- Door lock, Window switch, Door light
- Door lock, Window switch, Door light
Step 4: Remove Front Door Speakers
- Disconnect the harness from the factory front door speaker.
- Remove the four screws/bolts securing the speaker.
- Remove the speaker from the door.
Step 5: Install Front Door Speakers
- Install the speaker adapter ring using the provided bolts.
- Connect the harness to the speaker—match the 1/8" and 1/4" spade connectors to the correct terminals. They should fit snugly.
- Route the speaker wire through the spacer, then set the speaker into the spacer.
- Align the wiring with the channel in the adapter ring to avoid pinching.
- Secure the speaker to the adapter ring with the supplied Phillips screws.
⚠️ Do not overtighten. Protect the speaker while tightening to avoid damage.
Step 6: Reinstall Front Door Panels
Important: Always test the speakers before fully reassembling the vehicle. This makes it much easier to correct an installation or connection issue without removing the panels again.
- Reconnect all cables and harnesses (white cable on top, green on bottom).
- Hang the panel on the window channel and press clips into place.
- Reinstall the screws:
- Under the window switch panel
- Behind the door handle
- In the grab handle
- Replace trim panels and the push clip.
Step 7: Remove Rear Door Panels
- Remove 3 Phillips screws (one behind door handle, one inside grab handle, on under switch panel).
- Release panel clips starting at the bottom.
- Lift panel up and off the window channel.
- Disconnect cables and harnesses.
Step 8: Remove Tweeters & Factory Speakers
For 9 & 11 Speaker Bundles Only:
- Use a small flathead screwdriver to gently release the tabs securing the tweeter in the rear door panel.
- Remove the tweeter from the mount.
For All Bundles:
- Disconnect the harness from the factory 6.5" speaker.
- Remove the three screws/bolts securing the speaker.
- Remove the speaker from the door.
Step 9: Install Rear Tweeters & 6.5" Speakers (9 & 11 Speaker Kits Only)
Tweeters (9 & 11 Speaker Bundles Only):
- Align the tweeter wires with the opening in the rear door panel mount.
- Insert the tweeter straight into the mount and press until the tabs lock securely around the back.
- Connect the adapter harness to the factory connector.
Rear Door Speakers:
- Install the provided 6.5" speaker adapter ring using the supplied bolts.
- Connect the harness to the speaker—match the 1/8" and 1/4" spade connectors to the correct terminals.
- Route the speaker wire through the spacer, then position the speaker into the spacer.
- Align the wiring with the channel in the adapter ring to avoid pinching.
- Secure the speaker to the adapter ring with the supplied Phillips screws.
Pro Tip: Take your time and protect the speaker while tightening the screws
Step 10: Reinstall Rear Door Panels
Important: Always test the speakers before fully reassembling the vehicle. This makes it much easier to correct an installation or connection issue without removing the panels again.
- Reconnect all harnesses and cables
- White cable → top
- Green cable → bottom
- Hang panel on window channel, ensuring it seats properly.
- Press around the edges to snap all clips back into place.
- Reinstall the three screws:
- Behind the grab handle
- Under the window switches
- Behind the Door Handle
Step 11: Test Functionality
- Power on your radio.
- Confirm all speakers are functioning.
- Enjoy your new Alpine Plug & Play audio upgrade!
Congratulations on installing your new Alpine Speaker bundle!
🛠️ Common Troubleshooting Solutions: Experiencing issues with your installation? Try these steps before reaching out for support.
No Sound From Any Speakers
- Confirm the radio and amplifier, if equipped, are powered on.
- Check all speaker harnesses and connections.
- Make sure each connector is fully seated and locked into place.
No Sound From One Speaker
- Check the connection at the affected speaker.
- Disconnect and reconnect the speaker harness, making sure it is fully seated.
- Inspect the connector for loose, damaged, or bent pins.
- Use the radio's fade and balance controls to test the affected speaker individually.
- Move the speaker to the opposite side of the vehicle by swapping the left and right speakers. If the issue follows the speaker, the speaker itself may be the cause. If the issue remains on the same side, check the wiring, connections, or audio source.
Sound Is Cutting In and Out
- Check for loose speaker connections.
- Inspect the wiring for pinched or damaged wires.
- Make sure the wiring is not being pulled or pinched by a panel or mounting point.
- Verify that your speaker kit matches your vehicle's factory audio system. Confirm whether your vehicle is equipped with a factory amplified or non-amplified system, as the required components and connections may differ.
Speaker Sounds Distorted
- Check that all speaker connections are secure.
- Reduce the volume and test the speaker again.
- Return EQ, bass boost, and other audio settings to a neutral setting.
- If an aftermarket amplifier is installed, verify that the gain is properly adjusted.
Rattling or Vibration
- Make sure the speaker and mounting adapter are securely fastened.
- Check that all mounting hardware is tight.
- Inspect nearby trim panels, clips, and wiring for anything that may be vibrating or contacting the speaker.
Popping or Crackling Sounds
- Check for loose speaker connections.
- Inspect the wiring and connectors for damage.
- Make sure no wires were pinched during installation.
- If an aftermarket amplifier is installed, verify that the gain is properly adjusted.
New Speaker Does Not Work, but the Factory Speaker Did
- Recheck the speaker harness and adapter connections.
- If possible, reconnect the factory speaker and test the system again.
- If the factory speaker works, inspect the new speaker and its connections before continuing.
Contact Us
If you're still encountering difficulties and need additional troubleshooting support, please reach out using this contact form, and someone will get in touch as soon as possible.
