Need help with head unit wiring - Newbies Forum

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Need help with head unit wiring
Friday, May 05, 2006 9:26 PM
Installing Pioneer Super Tuner IIID XM ready tomorrow. I have both wiring harnesses, 1 for the head unit, and the harness adaptor for GM. Problem is this 3 wires on the GM harness adaptor are not connected, nothing to connect them to, dimmer, illumination and amp turn on; on the stereo harness the blue wire is not connected to anything. What should I do? I know that I have to find a power source else where such as the wipers, ect....
Not really sure why I have a total of 4 wires that are not connected.

Re: Need help with head unit wiring
Friday, May 05, 2006 9:38 PM
i left them unconnected with electrical tape over the ends of them.....works fine for me


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Re: Need help with head unit wiring
Friday, May 05, 2006 9:46 PM
Blue wire is the remote lead, it tells amplifiers when the stereo is on so they can turn on, if you don't have an amp, it's not an issue.



Re: Need help with head unit wiring
Friday, May 05, 2006 9:51 PM
I have 2 amps in my car. I am wondering should I connect it to the power antenna wire.
Re: Need help with head unit wiring
Friday, May 05, 2006 11:43 PM
Only if you just want your amps to turn on when you are listening to the radio.
Go from the blue remote wire to a relay to the two amps.

-Seth



Re: Need help with head unit wiring
Saturday, May 06, 2006 9:39 PM
How about if I just run a wire from the head unit to the fuse panel. Would I have to fuse it then, seeing how it basically is already fused. My amps are not the problem here. Those already work weather the head unit is in or not. All lights come on, all I need to know is which frickin wire do I use to poer up the frickin head unit!
Re: Need help with head unit wiring
Sunday, May 07, 2006 11:38 AM
Sure, you can do that. And you can prolly get away without fusing it cause it already has a fuse from the panel.

-Seth



Re: Need help with head unit wiring
Sunday, May 07, 2006 1:07 PM
http://www.the12volt.com/installbay/forum_posts.asp?TID=48892

There should be a switched 12v on the existing radio harness, you can use that one.













Re: Need help with head unit wiring
Sunday, May 07, 2006 7:44 PM
wizkiddrummer you are the only one inside this forum that actually unstands what I was talking about. Yes that did work, the only thing is that between the deck and both amps there is too much power for the speakers to handle. So until I get the speakers changed out again, the stock deck will be in place. But at least now I know what I have to do to get it done. Thanks.
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