Metra JP-18AMP-1 Subwoofer Amplifier Installation kit Installation Guide

June 5, 2024
Metra

Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-
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Metra JP-18AMP-1 Subwoofer Amplifier Installation kit

Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-
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Fuse installation

Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-
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  1. Mount the vehicle specific fuse holder rack to passenger side of engine bay near battery using a 10 mm socket. The forward mounting hole on the fuse holder rack will use an existing factory M6 bolt, the rear mounting hole will use the included M6x1 bolt into an unused factory mount location.Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-fig2

  2. Run the pre-installed red power wire from the fuse holder and connect it to the battery positive terminal using a 12 mm socket. Using a T20 Torx, install the red power wire into the open end of the fuse holder. Run red power wire behind the fuse box and down the engine bay side of the firewall. Secure wire with included zip ties. Do not install the fuse at this time.
    Disassembly
    Using a T50 Torx, unbolt the front passenger seat. Lean passenger seat back and disconnect the 2 connectors from bottom of the seat.Metra JP-18AMP-1
Subwoofer Amplifier Installation kit-fig3

  3. Pull back carpet and locate the floor grommet under the seat. Remove grommet. Using a ½ inch drill bit, drill hole in grommet.Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-fig5

  4. Using a pry tool and 10 mm socket, unhook the door catch then remove door seal and kick panel cover.Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-fig5

  5. 1. Unclip and remove the panel below the steering column. (Figure A), Unclip the climate control panel and set aside. (Figure B), Remove (2) Phillips screws securing the radio trim panel, then unclip and remove the panel. (Figure C), Remove (4) Phillips screws securing the radio, then unplug and remove. (Figure D)Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-fig6

Wire Routing

Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-
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  1. Run red power wire down firewall, and follow Jeeps frame watching for pinch points, or exhaust components. Locate the grommet floor hole. Secure wire with included zip ties. Slide grommet over red power wire and install grommet.
  2. Mount the black ground wire to the factory ground point in the passenger kick panel with a 10 mm socket. Scrape paint away from ground mounting location to expose bare metal. The ground wires ring terminal must be placed against the metal of the vehicle. Run ground wire to under passenger seat.Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-fig9
  3. Using a pull rod, route the RCA and remote wire cable from the radio cavity into the glovebox cavity, then under the center console, and out under the passenger seat.Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-fig10
  4. route subwoofer wire under trim until the rear bench seat. Then pull up carpet, and route wires under carpet into the cargo area and connect to subwoofer box. Use caution to avoid the scissor mechanism used to fold the seat down.

Amplifier installation

Metra JP-18AMP-1 Subwoofer Amplifier Installation
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  1. Mount the amp to amp rack, using hook and loop tape position rack in the vehicle with the rear bracket feet over the passenger seat rear bolt hole locations.Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-fig12
  2. Terminate cables with proper connector for the style of amplifier being used. Connect cables and RCAs to the amp. We recommend using InstallBay PN: IBLUGT, and IBFCRIMPER to terminate the ferrules.
  3. Connect RCA’s and remote wire to radio, then reinstall radio and dash.
  4. Using a T20 Torx, install mini ANL fuse into the fuse holder.

Installation completion

Metra JP-18AMP-1 Subwoofer Amplifier
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  1. Turn vehicle on and test amplifier. Make the necessary adjustment to the amplifier’s settings.
  2. Reassemble Radio, climate controls, driver panel and glove box.
  3. Reposition carpet, snap and tuck into place in factory location.
  4. Reinstall the passenger seat. The rear of the seat’s brackets will sit on top of the amp rack feet and bolt down, sandwiching the amp rack between the seat and the floor. Slide the seat back and forth to make sure there is no interference between the seat and amplifier.

Vehicle layout

Metra JP-18AMP-1 Subwoofer Amplifier Installation kit-
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Thank you for purchasing your Jeep Accessory from Metra Electronics! We’re excited to see your installs, also if you have any questions, comments, feedback on the product, please contact us at techsupport@metra- autosound.com

References

Read User Manual Online (PDF format)

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