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Which wires need to be connected for factory amp to aftermarket radio

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  • Denny Mattox
    Denny Mattox Apr 16, 2017

    2006 Pontiac torrent

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  • Cars & Trucks Master
  • 9,324 Answers

Spend the money on a no splice installation kit. It has the proper wiring harness connectors for both the radio and the vehicle harness. With the kit, all you do is connect the wire harness of the car to it then to the radio.

Posted on Apr 16, 2017

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  • Cars & Trucks Master
  • 8,010 Answers

Read instructions that came with unit! Without specifics NO ONE can help you.

Posted on Apr 16, 2017

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Posted on Jan 02, 2017

arthurroger
  • 170 Answers

SOURCE: original radio wiring harness

Google Volvo wiring diagram. They are available free. The diagram shows the wire location and colors. Otherwise, run a continuity test with a simple meter to discover a connection with some resistance between a pair of wires. If you here a click or two, from the speakers, you have found the right pair. Continue and label the pairs left, right, front,rear, until all are identified. Then reconnect. A pain but not rocket science.

Posted on Nov 29, 2008

  • 22 Answers

SOURCE: Installing an aftermarket stereo, spliced the wires and have everything connected including the remote wire to the factory amp wire but still no sound.

There is no remote wire on these newer trucks....03 and up....u have to buy the harness....although i didnt....i have an 03 gmc sierra and just pulled the schematic and matched the wires. And there is no programming to do on an aftermarket stereo.....I work for GMC and we cant program aftermarket stereos......if u buy the right harness ...and its over $100 then everything should work just fine.....and this does not disarm ur alarm system either....mine still works fine....hope this helps

Posted on Jan 24, 2010

  • 39 Answers

SOURCE: 2002 solara amp, does it need bypassing?

Yes, it will sound horrible. like a opera on full treble sung by a mouse if it works at all.

Posted on Apr 07, 2010

jamieratliff
  • 27 Answers

SOURCE: Installing an aftermarket stereo in 1996 explorer...sound issues.

You may have a factory amplifier in the rear of the explorer in the right cargo panel. You need to supply power to it by connecting the amp power on (Blue/White I think) in the dash to a power source (such as red on your stereo harness) so it comes on with the key. If you do have the amplifier, that's why you have no sound.

Posted on Apr 25, 2010

emissionwiz
  • 74902 Answers

SOURCE: Radio wire diagram for 2011 Mazda 3

2011 Mazda 3 Car Stereo Wire Harness Color Codes
Car Radio Battery Constant 12v+ Wire: Brown
Car Radio Accessory Switched 12v+ Wire: Light Blue
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Light Green
Car Stereo Antenna Trigger Wire: Black
Car Stereo Amp Trigger Wire: Light Blue
Car Stereo Amplifier Location: Under the Passenger Seat
Left Front Speaker Positive Wire (+): White/Yellow
Left Front Speaker Negative Wire (-): Blue/Green
Right Front Speaker Positive Wire (+): Red/Blue
Right Front Speaker Negative Wire (-): Red/White
Left Rear Speaker Positive Wire (+): White/Light Green
Left Rear Speaker Negative Wire (-): Pink/Brown
Right Rear Speaker Positive Wire (+): Light Blue/Brown
Right Rear Speaker Negative Wire (-): Light Green/Light Blue

Posted on May 03, 2012

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Google Volvo wiring diagram. They are available free. The diagram shows the wire location and colors. Otherwise, run a continuity test with a simple meter to discover a connection with some resistance between a pair of wires. If you here a click or two, from the speakers, you have found the right pair. Continue and label the pairs left, right, front,rear, until all are identified. Then reconnect. A pain but not rocket science.

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