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<blockquote data-quote="Tehgregzor" data-source="post: 7659659" data-attributes="member: 561089">DRL&#039;s stay on at all times when the car is running. Thats why I like tapping into those, rather than headlight circuit. Some fog lights are the same, they stay on.The GMOS unit is made by AXXESS, its a decent little box that is basically a normal wire harness, with a built in chip that takes your constant and gives you a constant AND acc source of power when the car is on. I just checked metra fitment guide, <a href="http://www.metraonline.com/vfg" target="_blank">Metra Online | Welcome to Metra Auto Parts Online Warehouse</a>, and it doesn&#039;t list a GMOS unit for your car. I checked PAC too, and am not seeing anything. It looks like you&#039;re going to have to hard wire it. I&#039;m not seeing an edition of the CTS-V that doesn&#039;t come with BOSE system standard. Bose tends to eq their systems BEFORE the signal is amplified, so barring any advice from a more experienced installer, I would run wires from the radio directly to each of the 4 speakers you choose, I suggest front doors and rear deck.Here is a list of your speaker locations and sizes.Front 1&nbsp; &nbsp; 9&nbsp; &nbsp; 3&quot; deepFront 2&nbsp; &nbsp; 3.25&nbsp; &nbsp; 2Center 1&nbsp; &nbsp; 3.25&nbsp; &nbsp; 2Rear 1&nbsp; &nbsp; 5.25&nbsp; &nbsp; 3Rear 2&nbsp; &nbsp; 3.25&nbsp; &nbsp; 2Subwoofer 10&nbsp; &nbsp; &nbsp; 3</blockquote>

[QUOTE="Tehgregzor, post: 7659659, member: 561089"] DRL's stay on at all times when the car is running. Thats why I like tapping into those, rather than headlight circuit. Some fog lights are the same, they stay on. The GMOS unit is made by AXXESS, its a decent little box that is basically a normal wire harness, with a built in chip that takes your constant and gives you a constant AND acc source of power when the car is on. I just checked metra fitment guide, [URL="http://www.metraonline.com/vfg"]Metra Online | Welcome to Metra Auto Parts Online Warehouse[/URL], and it doesn't list a GMOS unit for your car. I checked PAC too, and am not seeing anything. It looks like you're going to have to hard wire it. I'm not seeing an edition of the CTS-V that doesn't come with BOSE system standard. Bose tends to eq their systems BEFORE the signal is amplified, so barring any advice from a more experienced installer, I would run wires from the radio directly to each of the 4 speakers you choose, I suggest front doors and rear deck. Here is a list of your speaker locations and sizes. Front 1 9 3" deep Front 2 3.25 2 Center 1 3.25 2 Rear 1 5.25 3 Rear 2 3.25 2 Subwoofer 10 3 [/QUOTE]

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