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Can i hook up subs to a stock radio

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xXx Galleries Can i hook up subs to a stock radio.

Wiring up an amplifier to a stock radio is something that many of our customers do themselves. With the proper parts and correct wiring, this can be an easy way to improve your factory stereo system.

Line output convertor LP has adjustable input signals and signal sensing remote turn on. This is what is going to feed signal into your amplifier. These line output converters, also known as hi to low level converters, are typically wired into the rear speaker wires of a vehicle. This will provide audio signal to your amp. It is very important to get the phase of the wiring correct.

If you just tap into a pair of speaker wires and happen to get some sound, you may not necessarily have positive and negative correct. If you were to get the right rear speaker positive and negative correct, but the left rear speaker positive and negative reversed, you will have effectively canceled out your bass frequencies. The factory speaker wires will not be labeled and will not be marked like typical aftermarket wiring harnesses.

You will need a multimeter and a double AA battery with some speaker wire hooked up to it in order to test for for speaker wires and the phase. To make your speaker wire tester, simply take some speaker wire and electrical tape the positive wire to the positive Can i hook up subs to a stock radio and the negative wire to the negative end of the battery.

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Speaker wires tend to be grouped together, so look for what may be pairs to start testing. You will want to make sure you are not sending power to any wires other than speaker wires, so that is where your multimeter comes in handy. In most cases, you will want to wire the line output converter in behind the stereo. This is a good idea if you ever plan on changing the stereo as your RCAs will already be ran.

After removing the radio, using your meter, check for power, ground and accessory wires.

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Once you know what is not speaker wires, you can start testing pairs of wires. Strip back a little bit of the wire and hook each end of the battery tester up to a pair of wires.

If you have a pair of speaker wires, you will hear the speaker popping or scratching. Once you hear sound, you need someone else to actually look at the speaker.

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If the speaker is moving in and out, you have positive and negative correct. If the speaker is sucking back in, you have positive and negative reversed.

Once you have determined the proper speaker wires for the rear speakers, you can tap into them and hook them up to the line output converter.

Now that you have your speaker wires figured out, we can move on to the remote turn on lead. If you use the PAC LP with signal sensing remote turn on, the line output convertor itself will give you a remote turn on lead.


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