Question about 1999 Jeep Grand Cherokee

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1999 Grand Cherokee Radio Wiring Harness Diagram/Color Codes

Hey I was wondering if anyone knows what each color on the stock radio wiring harness goes to?? I was able to get my aftermarket jvc deck to turn on but speakers dont play. The previous owner of my wj snipped the factory harness clips so I have to hook up the wires manually if you can help me out I'd really appreciate it..

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  • Rick Nichols Jan 25, 2009

    The only speakers that are working appears to be the left rear. No sound from the dash,either doors front, or right rear. Balance right of center no sound, fade forward of center no sound.

  • Daniel Jenkins
    Daniel Jenkins May 11, 2010

    I had a post earlier explaining how to do this, give me a few minutes to find it for you....

  • Anonymous Mar 29, 2014

    turn signal harness wire color




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Go to and search through the diagrams in there, the site is easy to use, all you need is acrobat reader installed on your computer to use the site, it has a full explanation on every wire color and what it is

Posted on Aug 30, 2008

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IT is very simple to do without knowing which color is which. You do this by getting a voltmeter from Radioshack, etc.

You Need to find these 3 wires.
12+ Battery (has voltage to it without key in ign)
12+ Accessory (has voltage only when key forward or in acc position)

Once you found these, the others are speaker wires. Turn the stereo on and clip one of them and listen which speaker quits working. Reconnect the clipped wire by stripping off a little bit of insulation and then find its mate. Do this over and over to figure out which speaker wire is which.

There may be a few extra wires if you have steering wheel stereo controls but don't worry about that, just worry about finding each wire I described above and away you go.

Now in your situation since your harness has been clipped just find the 3 electrical sources, ground, 12+ battery and 12+ accessory the others are speaker wires and just try 2 at a time, it should only take a few minutes to figure out which one is which. Mostly the similar color coded wires are mates...

Posted on Aug 25, 2008


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