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Help with 99 Sony HU installation

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Old May 8, 2005 | 11:46 PM
  #1  
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From: Kyle TX (Because Mojo Made me fill it in)
Default Help with 99 Sony HU installation

Im lost.

I'm trying to completely by-pass the Bose system. I cant seem to figure out for the life of me how to get the HU wired to power up. I have the GM radio harness but none of the wires on the directions match up with the harness in the car. I need help determining which wires on the car are the following (color, location, picture, drawing, schematic, anything):

12v constant
12v switched
ANT
Dash Light
Ground

Pic of stock plug.


Thanks.

Last edited by VetteNoob; May 9, 2005 at 12:11 AM.
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Old May 9, 2005 | 01:27 PM
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From: Kyle TX (Because Mojo Made me fill it in)
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So evidentally there is not a way to tap into the factory harness because of the BCM. I guess I need to wire it into the fuse box for my powers.

Wha are you guys doing about the antenna and dimmer control?
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Old May 9, 2005 | 02:12 PM
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I just finished my install over the weekend doing the same thing. Easiest place to get the constant,switched, ground is in the passenger foot well. There is a square silver box, which I am assuming is some type of computer, but in the upper left of that box is 3 wires with black tape around them. There is a yellow,orange and black. I cannot remember off the top of my head but I think the orange was the constant and the yellow was the switched and black was ground. I did not hookup the dimmer. You might want to search the audio section here to find out exactly for the correct color arrangement. Hope this helps.
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Old May 9, 2005 | 03:36 PM
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From: Kyle TX (Because Mojo Made me fill it in)
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Thanks ryentee. That should get me going. I think I found the dimmer wire off the AC control box. The voltage fluxuates with the dimmer so I think it should be fine. It is the yellow wire on the edge of the harness. I may try to tap that for the dimmer control function.

Did you have to do anything with your ANT power out or did you just tape off the wire from your HU?
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Old May 10, 2005 | 09:26 AM
  #5  
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For switched power, there's also a brown wire right next to your ignition.
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