Help! Sound is not working and volume doesn't work!
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Help! Sound is not working and volume doesn't work! in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; My Cadillac CTS 2003 does not give any sort of sound whats so ever. The volume doesn't even show or ...
  1. #1
    mattpattabhi is offline Cadillac Owners Member
    Automobile(s): Cadillac cts 2003
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    Help! Sound is not working and volume doesn't work!

    My Cadillac CTS 2003 does not give any sort of sound whats so ever. The volume doesn't even show or work at all?
    Car was recently purchased off craigslist without owners manual. The previous owner said their children put coins into the radio and ever since it stopped working. So i went along and purchased a new radio and got it coded (programmed for the car) along with a new amplifier (since the dealer said the old amp was no good) and still nothing.

    I have checked all the fuses and replaced any that were missing. Lastly I took one of the rear door speakers out and connected it directly to the radio from two metal wires and it gave sound. But then again, i cannot control the sound volume and sound throughout the car will not work. I don't believe it is the radio, since it is new or the amplifier. Another note, the volume on the steering wheel does not respond, the car doesn't chime when the door is open, and none of the on-star or emergency buttons give any sort of sound?

    I did take it to the dealer, they said the ground is appears to be good, but they charge insane prices just to even take a look at the car...


    AGAIN: ANY SORT OF INFORMATIONAL HELP WOULD BE APPRECIATED. THANKS FOR YOUR TIME.

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  3. #2
    Bluehaze07's Avatar
    Bluehaze07 is offline Cadillac Owners Connoisseur
    Automobile(s): 05 CTS
    Join Date
    Apr 2009
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    Quote Originally Posted by mattpattabhi
    My Cadillac CTS 2003 does not give any sort of sound whats so ever. The volume doesn't even show or work at all?
    Car was recently purchased off craigslist without owners manual. The previous owner said their children put coins into the radio and ever since it stopped working. So i went along and purchased a new radio and got it coded (programmed for the car) along with a new amplifier (since the dealer said the old amp was no good) and still nothing.

    I have checked all the fuses and replaced any that were missing. Lastly I took one of the rear door speakers out and connected it directly to the radio from two metal wires and it gave sound. But then again, i cannot control the sound volume and sound throughout the car will not work. I don't believe it is the radio, since it is new or the amplifier. Another note, the volume on the steering wheel does not respond, the car doesn't chime when the door is open, and none of the on-star or emergency buttons give any sort of sound?

    I did take it to the dealer, they said the ground is appears to be good, but they charge insane prices just to even take a look at the car...

    AGAIN: ANY SORT OF INFORMATIONAL HELP WOULD BE APPRECIATED. THANKS FOR YOUR TIME.
    Make sure that you check the amp behind the fiberglass carpeting on the driver side of the trunk. Make sure wires are not cut or disconnected on the amp. The amp runs all of the controls for audio. It won't work if the data wire isn't connected or damaged.

    I don't believe it is your head unit because you said the sound works when you directly connect the speaker. Check the wiring harness on the head unit also.

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