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<blockquote data-quote="keep_hope_alive" data-source="post: 8219493" data-attributes="member: 576029">it is not as simple as adding an EQ in your case because you want to reuse the stock amplifier.&nbsp; people who go without a head unit have external amplifiers that they have added and the EQ feeds the amps a signal.the stock amplifier needs to get front and rear speaker outputs as input signals.&nbsp; so you still need a head unit.&nbsp; and by removing the factory head unit you eliminate the safety chimes which can give your insurance company reason to deny claims.&nbsp; GM puts other features inside their head units which need to be maintained.this is why you have probably been told to buy a GMOS adapter (for around $100) which allows you to swap to an aftermarket head unit.&nbsp; of note, an aftermarket head unit will not only give you iPod/iPhone interface and charging, but also BT for hands-free talking and USB for even easier file storage/access.</blockquote>

[QUOTE="keep_hope_alive, post: 8219493, member: 576029"] it is not as simple as adding an EQ in your case because you want to reuse the stock amplifier. people who go without a head unit have external amplifiers that they have added and the EQ feeds the amps a signal. the stock amplifier needs to get front and rear speaker outputs as input signals. so you still need a head unit. and by removing the factory head unit you eliminate the safety chimes which can give your insurance company reason to deny claims. GM puts other features inside their head units which need to be maintained. this is why you have probably been told to buy a GMOS adapter (for around $100) which allows you to swap to an aftermarket head unit. of note, an aftermarket head unit will not only give you iPod/iPhone interface and charging, but also BT for hands-free talking and USB for even easier file storage/access. [/QUOTE]

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