07 Nav Upgrade install issues
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07 Nav Upgrade install issues - 4/16/2007 7:54:27 AM
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jazzson007
Posts: 4
Joined: 4/16/2007
Status: offline
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Sup everyone. I'm new to this so bare with me. I purchased a black 07 Avalanche LS without Bose and Navigation. I upgraded my stock radio for the nav unit #15882767. I purchased the unit on Ebay for $750.00 Brand New and it works great but after the install my speakers are playing very low. When I raise the volume, it only goes to a certain volume. The dealer installed it and flashed the unit twice but there's no difference. The dealer said that he's gonna check with GM to see if I can get a Bose Amp and get back with me. Does anyone have this issue when upgrading their stock radio. Can I just get another amp in replace of the factory amp to amplify my volume and also my OnStar voice promp is very low, is this all a part of the same issue? Anyone please help......
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RE: 07 Nav Upgrade install issues - 4/16/2007 7:19:36 PM
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omiz07slab
Posts: 18
Joined: 2/4/2007
Status: offline
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the navi unit is ment for bose speakers... the navi unit puts out either a high signal or a low signal to the speakers... meaning you will have to bypass the factory amp... or get a special wiring harness... im not sure if you understand what im saying... if not message back and ill explain more...
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