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sierra head unit upgrade

txwhaler76

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txwhaler76 Enthusiast

txwhaler76

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so I got my antenna, vss, and voice harnesses all installed last weekend. took it to the dealership today and they said they could not re-program it to my truck. they said it failed at the first screen. i did a little searching and found this thread about flashing it as a monte carlo:

http://chevroletforum.com/forum/silverado-fullsize-pick-ups-21/2007-silverado-1500-navigation-theft-lock-17572/

 

is this what they need to do? PLEASE HELP!!!!

 

I'm already into it about $500 with all the harnesses and amp and i don't want to fail now...

Carder09 Senior Enthusiast

Carder09

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Sounds to me like it could be broke. How or why did you get it for free? Your buddy just said here you go, free Nav to hook into your truck from my own???

txwhaler76 Enthusiast

txwhaler76

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haha, he is loaded. he upgraded to a kenwood and took all his stock speakers out of his truck right when he bought it. the only reason he kept it was incase he sold the truck and he wanted to keep his kenwood. he wanted to have something to put back in to sell it. the unit is perfectly fine.

 

I have talked to someone who has done this before and the problem is the technician. it is kind of tricky but can be done. they just don't know what they are doing.

 

anyone in houston know a dealership that has done a re-program like this?

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