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Thread: '87 YJ Stereo problems.

  1. #1
    My toys haul themselves. Sandbagger's Avatar
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    Default '87 YJ Stereo problems.

    OK - so I've got a brand new stereo and a hole where the old one was. I've managed to trace the speaker wires to the right and left speakers but am still working on tracing the power wiring down.

    I can get a photo if you guys think it might help. Really, I'm just trying to figure out how to get power off the fuse panel so that I the radio will work.
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    I am a chapter of one sincitycj's Avatar
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    The stereo shoud require two power sources. One will be a constant hot for keeping the clock and preset stations set and the other should be ignition hot so that the stereo shuts off with the key. You should just be able to splice into the wiring for the original, sorry I don't know what colors they were. If you're not sure either you'll have to play around with a meter to find what you need. You may have an open spade on the fuse block that says ign. this will give you your switched power and there should be at least one other that will give you your constant on.
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    Quote Originally Posted by sincitycj View Post
    The stereo shoud require two power sources. One will be a constant hot for keeping the clock and preset stations set and the other should be ignition hot so that the stereo shuts off with the key. You should just be able to splice into the wiring for the original, sorry I don't know what colors they were. If you're not sure either you'll have to play around with a meter to find what you need. You may have an open spade on the fuse block that says ign. this will give you your switched power and there should be at least one other that will give you your constant on.
    THANKS!

    I'm not certain what the wire colors are. There's an empty socket on the fuse panel that says "radio" but I'm not sure where that wire would go.

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    Member 19delta's Avatar
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    that there is where it all comes together for your power. be where you have the power coming from the battery to keep the radios memory if you have a disc in. just make sure to hook up your ground wire first in case there is a major problem
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    I am a chapter of one sincitycj's Avatar
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    Can't say for sure if the one marked radio is switched or constant, you'll have to check with a multimeter. If it's constant, you can use that to power the clock and memory and use the spot to the right that says ign. for your switched power.
    You should be able to use the wiring block that came out of the stock stereo. You can buy blocks that mate up to that, unless of course it's been hacked up. Most good stereo stores should have them. They just wire up to the wiring on the back of the deck and plug right in. That way you don;t have to hack anything up.

    Here's what the harness looks like
    http://www.crutchfield.com/p_1207010...ss.html?tp=736
    Quote Originally Posted by usnavymitchells View Post
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    Quote Originally Posted by sincitycj View Post
    Can't say for sure if the one marked radio is switched or constant, you'll have to check with a multimeter. If it's constant, you can use that to power the clock and memory and use the spot to the right that says ign. for your switched power.
    You should be able to use the wiring block that came out of the stock stereo. You can buy blocks that mate up to that, unless of course it's been hacked up. Most good stereo stores should have them. They just wire up to the wiring on the back of the deck and plug right in. That way you don;t have to hack anything up.

    Here's what the harness looks like
    http://www.crutchfield.com/p_1207010...ss.html?tp=736
    I have both ends of the harness plug but unfortunately, it has been hacked to s**t.
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    I am a chapter of one sincitycj's Avatar
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    Quote Originally Posted by Sandbagger View Post
    I have both ends of the harness plug but unfortunately, it has been hacked to s**t.
    Sounds typical for a Jeep. I would try to use the factory wiring. You'll just have to test them to find which is ignition hot and which is constant. I've been searching around trying to find a YJ FSM with wiring diagram to help you out. If I come across one I'll let you know.

    EDIT: I found you a link to a wiring diagram. It's in pdf so you can download it and orint view or whatever
    http://www.iwantajeep.net/jeep-wrang...iring-diagram/
    Last edited by sincitycj; 07-13-2010 at 17:30.
    Quote Originally Posted by usnavymitchells View Post
    went to google to see if I too was a dumb ass!!! Well actually I am.

    http://www.sincityrubs.com/

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    I got it working!

    It turned out that the 20A "ACC" fuse was blown. I traced the purple/white wire (hot) and the black and got the radio hooked up. I used the harness connector that came with it for the power/ground and 2 male/female RCA jacks for the speakers.

    It still crackles a little but I'll chalk that up to all the old wiring and splicing that I did to make it work. I'll probably go back through it again eventually and hard solder the wiring to the connectors.
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