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How to Install a Car Audio System

Contributor
By eHow Contributing Writer
(8 Ratings)

Most cars have a stock audio system installed on the assembly line, but they may be lacking in appreciable features. You can install an aftermarket audio system that plays the formats you want while offering you more options for adjusting the sound quality to your tastes. Professionals can install an audio system for you, but if you know what you're doing, you can perform the operation yourself.

From Quick Guide: Car Electronics Guide
Difficulty: Moderate
Instructions

Things You'll Need:

  • Screwdriver
  • Pencil and paper
  • Aftermarket audio system
  • Hacksaw or cutting tool
  • Tape measure
  1. Step 1

    Locate the negative terminal of your car battery, and disconnect it. Never attempt to install an audio system in your car when electricity is still flowing--it's extremely dangerous.

  2. Step 2

    Unscrew the dashboard cover with a screwdriver and pull it free of the surrounding car body. This should expose the old stereo system and allow you to work on it freely.

  3. Step 3

    Disconnect the old stereo system from the frame and gently pull it forward. Look carefully at the wires connecting it to the electrical system and note which one goes where. You can use a pencil and paper to write it down if necessary.

  4. Step 4

    Uncouple the wires one by one and remove the old stereo from the car.

  5. Step 5

    Install the wiring harness for the audio system. This will allow you to connect all of the wires very easily. A few aftermarket stereos don't include a wiring harness, in which case you will need to connect the wires one by one, according to the instruction manual (this is the moment where marking the connections on the old audio system comes in handy).

  6. Step 6

    Slide the new audio system into place, but leave it loose and unsecured. Check that everything is functioning before you finish installing it.

  7. Step 7

    Reconnect the car battery and perform another check on the audio system. Make sure everything is functioning as it should, and that you are happy with the quality of the sound.

  8. Step 8

    Screw the audio receiver into place and reattach the dashboard to the car. In some circumstances, you may need to increase the size of the hole in the dashboard to fit the new receiver, which you can do by measuring the needed space and cutting with a hacksaw or similar cutting tool.

Tips & Warnings
  • The particulars of installing an audio system may vary, depending on the parameters of your car and the kind of system you buy. Consult your instruction manual and be prepared to adjust any other guidelines you follow.

Comments  

shilohji said

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on 7/5/2009 I was given a 1996 Sebring with an audio system; CD AM/FM,Cassette, 4 speakers center circular adjustable and 3 knob equalizer. I cut the system out leaving plenty wire length. Speakers undamaged with female receptacle but I have to replace the male end. Is there a wiring diagram to get the right wires to the speakers from the harness and ground correctly? Could I maybe change it to function from electrical outlet in my house?

dosage said

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on 6/13/2009 How can a subwoofer react faster?Is it related to the diameter of the woofer or the liter that woofer has?What types of woofers do you suggest for metal music fast as hell?

Jawanmardi said

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on 10/20/2008 Also, visitng and pricing around audio shops and seeing how much each charges for labor would be a good idea.

Armand Jawanmardi

Jawanmardi said

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on 10/20/2008 Always try and go to a professional to install any sound system modification you would like done to your vehicle to ensure you can hold the company responsible for any failure on their part to do the install properly. If not, make sure you have a great step-by-step guide on how to properly install an audio system.

Good luck!

Armand Jawanmardi

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