How to Connect a Car Power Amp Without a Remote Connection

Written by robert good
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The remote lead wire on an amplifier turns the amplifier on and off when you turn the vehicle on and off. You can wire the amplifier to the stereo without a remote lead wire, but you will need to manually turn the amplifier on and off when you get in and out of your vehicle. If the amplifier remains on when you get out of your vehicle, the amplifier will drain the battery and your vehicle will not start the next time you get in.

Skill level:
Moderately Easy

Things you need

  • Audio cables
  • Amplifier power wire

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  1. 1

    Connect the power wire to the amp according to that particular amplifier's specifications. Tighten the power wire connection on the amplifier using the screwdriver. Make sure you have enough wire to lead from the amplifier along the panelling on the floor of the vehicle to the battery.

  2. 2

    Plug the audio cables into their corresponding connections on the amplifier. Each audio cable will have a coloured tip on it. Insert each coloured tip into the coloured input on the amplifier. Guide the power wire and the audio cables to the front of the vehicle and, using the screwdriver, remove the screws that secure the dashboard to the frame.

  3. 3

    Pull the dashboard away from the frame of the vehicle to expose the rear of the stereo receiver. Plug the audio cables into the rear of the stereo receiver the same way that you plug them into the amplifier. Replace the dashboard to its original position and tighten the screws to secure the dashboard to the frame of the vehicle.

  4. 4

    Lead the power wire through the firewall and up to the battery. Find a small plug on the lower firewall--you need to remove this plug to guide the wire through the hole. Open the bonnet and connect the power wire to the positive output on the battery.

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