Thread: Adding an aux input to factory delco

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  1. #1 Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    Hi there, I am new to these forums.
    I have an 06 GT with the stock standard one CD delco stereo. I would like to know if anyone has soldered in an aux line and how did they do it.

    I tried the other night by hooking directly to some of the aux in pins on the 12 pin connector. I must have failed because it did not work. I searched the internet for links to "How to" but none were for this particular model.

    Thanks in advance for any tips.

    Yes, I do know about the adapters that can be bought... Im not the kinda guy who will spend $70 to buy an adapter that I can solder myself for nothing.
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  2. #2 Re: Adding an aux input to factory delco 
    GTX Level Member OH4CompG's Avatar
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    Do you have xm? If you do I posted a writeup in the tech section.
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  3. #3 Re: Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    No XM just Aux/CD button.
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  4. #4 Re: Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    Found this for a 2004:
    12volts red (50A), red (40A) + back of fuse box, passenger dash
    Starter yellow + ign harn or BCM, conn. C1, pin 21
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Second Starter N/A
    Ignition pink + ign harn or BCM, conn. C1, pin 22
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.

    There are two pink wires in the BCM plug that meter as ignition. To verify that the correct wire is being energized for remote start, slide the key in the ignition key cylinder and then activate remote start. If the key in ignition warning chime comes on, then the correct wire is being energized.
    Second Ignition N/A
    Third Ignition N/A
    Accessory brown + ign harn or BCM, conn. C1, pin 23
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Second Accessory N/A
    Keysense lt. green - ign harn or BCM, conn. C1, pin 40
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.

    If the service security lights comes on during remote start or after key takeover, see DirectFax document 1502.
    Power Lock red/black - BCM, conn. C2, pin 2
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Power Unlock orange/black - BCM, conn. C2, pin 11
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Lock Motor gray 5wi BCM, conn. C2, pin 52
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Unlock Motor tan 5wi BCM, conn. C2, pin 46
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Parking Lights+ brown + front of fuse box, passenger dash
    Parking Lights- brown/white - BCM, 18 pin plug, pin 8
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Hazards tan - BCM, 18 pin plug, pin 16
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Turn Signal(L) use hazards wire
    Turn Signal(R) use hazards wire
    Reverse Light lt. green + BCM, conn. C2, pin 42
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Door Trigger see notes - BCM, conn. C2
    Notes: The driver door trigger is gray/black in pin 26, the front passenger door is black/white in pin 17, the left rear door is lt. blue/black in pin 7, and the right rear door is lt. green/black in pin 5. Use all four wires and diode isolate each.

    The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Dome Supervision gray/black + BCM, conn. C1, pin 43
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Trunk/Hatch Pin red/black - BCM, conn. C2, pin 3
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Hood Pin N/A
    Trunk/Hatch Release lt. blue + BCM, conn. C2, pin 45
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Power Sliding Door N/A
    Factory Alarm Arm lt. green - BCM, conn. C2, pin 22
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Factory Alarm Disarm purple - BCM, conn. C2, pin 24
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Disarm No Unlock see factory alarm disarm
    Tachometer white ac ignition control module, pin E
    Notes: The ignition control module is on top of the engine towards the passenger side.
    Wait to start N/A
    Brake Wire white + BCM, conn. C2, pin 30
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Parking Brake orange/black - BCM, conn. C2, pin 9
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Horn Trigger black - BCM, conn. C1, pin 4
    Notes: The BCM (Body Control Module) is below the driver side dash to the left of the steering column.
    Memory Seat 1 N/A
    Memory Seat 2 N/A
    Memory Seat 3 N/A
    Interface Module: Category:
    Immobilizer Bypass Required:
    Yes Type:
    PASS-Key III
    Part #: 556UW
    Alternate Part1 #: DesignTech 20402
    Alternate Part2 #: DesignTech 29402
    Radio 12v orange + radio harness
    Radio Ground black/white - radio harness
    Radio Ignition (Class 2 Serial Data)
    Radio Illumination gray (dimmer) + radio harness
    Factory Amp Turn-on same as power antenna wire
    Power Antenna purple + radio harness
    LF Speaker +/- tan - gray +,- radio harness or amplifier
    Notes: The amplifier is under the rear deck.
    RF Speaker +/- lt. green - dk. green +,- radio harness or amplifier
    LR Speaker +/- brown - yellow +,- radio harness or amplifier
    RR Speaker +/- dk. blue - lt. blue +,- radio harness or amplifier
    Dont know if it will help me yet but will post all that I find just incase it helps others.
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  5. #5 Re: Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    I have posted pics of my radio and an XM diagram I have found in my album.
    Pontiac Grand Prix Forums : Grandprix - crumbut's Album: My 06 GT
    I have found out that 04-08 are the same wiring (car) so If I can figure out where say XM comes in I may be able to tie in there.
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  6. #6 Re: Adding an aux input to factory delco 
    GPF Mr. President nawarkk's Avatar
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    Yea I wanted to know if this is possible for the 97-03 body styles, with or without the equalizer levels in the unit.
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  7. #7 Re: Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    what I know so far:

    * The radio works fine without the 12 pin connector plugged in.
    * All cars (04-08) are supposedly wired for XM radio.
    * The XM radio wires are in fact the ones that are in the 12 pin connector
    * there are only 4 wires in 12 pin connector they are: GRN/WHT, BRN/WHT, BLK/WHT and a tan wire.
    If you read the XM diagram (in my album) you will see that these wires seem to match the XM diagram. With one exception tan should be orange (may just be a color variance).

    This is where I soldered in my connection with no luck. I could have been wrong on the pins so I have removed my soldering and will soon attempt to tap into the wires directly instead. I also read that the other end of the 12 pin wire goes to the trunk for the CD changer equipped in some models?

    to anyone with XM, can you tell me how your XM is switched on? Maybe I need a trigger for the radio to recognize the aux input? Is your XM module in the trunk?

    Thanks.
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  8. #8 Re: Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    sorry I just realized how hard it can be to find someone else s Album.
    Here is the XM diagram.
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  9. #9 Re: Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    Status: I have not given up yet. I work nights, and the wife has been using the car during the day. will work on this soon.
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  10. #10 Re: Adding an aux input to factory delco 
    GTP Level Member SuperSport's Avatar
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    Quote Originally Posted by nawarkk View Post
    Yea I wanted to know if this is possible for the 97-03 body styles, with or without the equalizer levels in the unit.
    ClubGP Message Forum troubleshooting
    2001 Grand Prix GT Coupe
    Comp G Wheels - SS Corners - Infinity Sound - Tint - Digital DIC Swap - 893 Fogs

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  11. #11 Re: Adding an aux input to factory delco 
    GPF Mr. President nawarkk's Avatar
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    hmmm read that for the most part, will have to try it out when I have time.

    Haave you done this yet?

    Oh thanks for the link BTW
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  12. #12 Re: Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    Have not given up on this yet, nust have not had the time
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  13. #13 Re: Adding an aux input to factory delco 
    SE Level Member crumbut's Avatar
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    Gave up and bought a Scosche FMOD02 .. hope this works. It was only $30 on Amazon.
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  14. #14 Re: Adding an aux input to factory delco 
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    This appears to be a pretty old thread but what were the results of using the Scosche? I am looking to do something similar to this.
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  15. #15 Re: Adding an aux input to factory delco 
    Killa Bee Scottydoggs's Avatar
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    ive done this to my radio as well as a bunch of others here. it cost a whole 5 bucks if you have a iron and solder already.

    http://ls1tech.com/forums/stereo-ele...t-adapter.html

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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