Audio Systems: stock radio on 2004 avalanche, chevy avalanche, stock radio

Question
I wanted to add a amp to my 2004 Chevy avalanche but wanted to use the stock radio because everything is run through the stock radio but it doesn't have the connection for the amp to stereo so i got this adapter xovisionx100 converter but cant get sound the amps turn ????

Answer
You are using the wrong adapter converter and please remove and put all the cables back to factory before you damage the radio
you need to use this interface
all the plugs are finish for the gm vehicles ,comes with rca jacks and the blue remote output

http://www.oemautosound.com/c-135-gm-chime-retention.aspx