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Please please help me im desperate stereo problems

830 Views 14 Replies 5 Participants Last post by  Negritodelswing
Hello to all, my name is ronald and im from bolivia so excuse me for my really bad english but in dont know where to go for my problem, im owner of a nissan xterra 2010 SE with rockford fosgate system and actually i buy a new stereo doble din JVC KW V51bt for replace , so I connect all the wires with help to av manual that i get from internet and the radio works video and connect with my phone but the sound dont work, no sound on any speaker, some body tells me the rockford fosgate amplifier use a different amp or something like that who not work well with conventional receivers and I dont know what i do please help me Im so desperate cuz i work in this project an entire week :( thank u so much for your help and sorry again for my really bad english
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Hello to all, my name is ronald and im from bolivia so excuse me for my really bad english but in dont know where to go for my problem, im owner of a nissan xterra 2010 SE with rockford fosgate system and actually i buy a new stereo doble din JVC KW V51bt for replace , so I connect all the wires with help to av manual that i get from internet and the radio works video and connect with my phone but the sound dont work, no sound on any speaker, some body tells me the rockford fosgate amplifier use a different amp or something like that who not work well with conventional receivers and I dont know what i do please help me Im so desperate cuz i work in this project an entire week :( thank u so much for your help and sorry again for my really bad english
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If I understand this correctly, you have everything installed, you can listen to the radio through the speakers...but when you connect your phone to it, you can't hear anything? Is that correct?

If you are getting sound from any channel/source (radio antenna!) in the head unit to play in your speakers, you should be good to go. It sounds like you have a problem with the connection from phone to your head unit.

Are you using BlueTooth or an aux cable (3.5mm stereo cable)?

Looks like the Rockford Fosgate stereo has an external amplifer, which means to run the speakers off your stereo, you need to connect to "Pre-Amp" outputs on the back of your head unit. Your model head unit has Front/Rear/Sub pre-amp outputs...so you ran RCA cable adapter from the pre-amp outputs to the cables to the stock amp?

Also, looks like the stock set up has a 3.5 mm stereo cable input. Note that if you are replacing your head unit, that stock input likely won't work anymore!

http://www.crutchfield.com/S-4hqnuy8...an-xterra.html

http://www.crutchfield.com/S-xDznUABuWFt/p_105KWV51BT/JVC-KW-V51BT.html

Great resource!
Welcome to CX

Can you please post pics of the info/diagrams you found on the internet? Then we can look it over and see if we can figure out what's up.

Also please clarify: Do you have sound at all when you play the radio?
Hello my friends thank you so much for your time to reply this post, well i use the diagram with the manuls owners comes AV section exactly and the last pages with premium audio , cuz the harness are the same and the colors of the wire too, so in this momment finally i have sound on my speakers the tweeters and the front and rear speakers too, but the bass its not sound anymore, before when i have the factory head unit the bass sounds incredible even with a great vibratiln the rockford fosgate its really amazing but now that i change the head unit for jvc the bass not sounds at all just the speakers, and clarifyng i cut the wire cables factory beacuse i dont have harness so i cut and put in together and isolate with a electrical tape just the manual says color with color exactly that says in the manual, but still no bass at all, and i have a noise that i read in others comments maybe its because i dont connect the shield wire, and there are a few of them, just isolate because in the harness of jvc isnt any wire for this shield, but i read in some web page that ground and shield are different connection, ground its connect to the chassis but shield its connect to other place , and i dont know where to connect this shield wires, .... Thats all for the momment its my first time replacing a stereo head unit , please take me a little patience jejeje thank you so much for your time guys
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Guys i dissarm the front seat and check all wires and the bass is working but really low... With my factory head unit of rockford fosgate the bass its really amazing but now its so low even in my jvc configure nivel subwoofer to max but its not the same its very low ... What can i do guys?
Sorry i was wrong the bass not work at all... It just the vibration for the front speakers the bass not work, i attached the pics of the connect that I use

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And connect the harness of the jvc unit like that

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