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<blockquote data-quote="sounds_explicit" data-source="post: 8703845" data-attributes="member: 665284">so i have the bose system and when i installed my aftermarket head unit i used a harness to retain my steering wheel controls onstar etc. so would i have to bypass the factory amp to install a new one is what im asking. lemme ask this q then.&nbsp; if you installed aftermarket hu with harness to retain what i have. then wanted to introduce a new amp for door speakers, how would you go about doing that when i already have a factory amp for the speakers.&nbsp; doesnt the signal go through the factory amp before it gets to the speakers? so would i have to bypass the factory amp? or do i just unhook the speakers connectors on old speakers install new ones and run new wires from amp to the new speakers? and just supply the new amp with a remote connection for signal? not sure how the factory system supplies signals.&nbsp; i just dont want to have a problem getting a signal from a amp&#039;d factory amp if that makes sense.&nbsp; but if im thinking correct i can just unhook old speakers let the wires just dangle in the door and add new speakers and run new wires?if so then i lose all my steering wheel controls, onstar and everything else since that harness was directly plugged into my factory speakers through the harness..&nbsp; so im confused on how to add this amp and keep what i currently have also.</blockquote>

[QUOTE="sounds_explicit, post: 8703845, member: 665284"] so i have the bose system and when i installed my aftermarket head unit i used a harness to retain my steering wheel controls onstar etc. so would i have to bypass the factory amp to install a new one is what im asking. lemme ask this q then. if you installed aftermarket hu with harness to retain what i have. then wanted to introduce a new amp for door speakers, how would you go about doing that when i already have a factory amp for the speakers. doesnt the signal go through the factory amp before it gets to the speakers? so would i have to bypass the factory amp? or do i just unhook the speakers connectors on old speakers install new ones and run new wires from amp to the new speakers? and just supply the new amp with a remote connection for signal? not sure how the factory system supplies signals. i just dont want to have a problem getting a signal from a amp'd factory amp if that makes sense. but if im thinking correct i can just unhook old speakers let the wires just dangle in the door and add new speakers and run new wires? if so then i lose all my steering wheel controls, onstar and everything else since that harness was directly plugged into my factory speakers through the harness.. so im confused on how to add this amp and keep what i currently have also. [/QUOTE]

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