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post #1 of 3 (permalink) Old 02-09-2016, 03:12 AM Thread Starter
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Aftermarket Radio Install Questions.

Hello everyone, I am new to this site my first post. I apologize if this has been asked before, but I have been searching and have be unable to come up with an answer either here or on the other cobalt ss site.

I have a 2007 LT cobalt, 5 speed base model. No pioneer/No OnStar.

My questions are, I am installing a Kenwood DDX672BH. It has variable illumination adjustments already. When I install the radio I plain on using the proper harness and all the needed hardware to do it. I want to retain as much of factory as I possibly can.

So to my question will I be able to retain the factory illumination or will it be gone and I have to use the radio's settings? The radio's harness has an input illumination wire that will auto dim if hooked up.

I am also installing new speakers all the way around. I am interested in installing the baffles due to not wanting to ruin a bran new pair of speaker to water. The question is what is the rite baffle depth?

I know it has to fit the depth of the speaker but I don't want to run the risk of them being to deep and not fitting properly.

Also what are your opinion's on cutting out a section of the baffle yah or nay on the hole for better sound or cupped?

Thanks for the info.
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post #2 of 3 (permalink) Old 02-09-2016, 05:00 AM
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If you're using a factory hookup harness (to retain door chimes/turn signal sound), there should be a lead on there for the dimmer. It'll dim along with the rest of the interior lights, just like the factory unit does.

As far as speaker baffles go: don't bother. The only reason the factory speakers go out is because they're a paper cone. Aftermarket speakers will be fine. Not to mention, the baffles absolutely demolish bass response - something you do not want.

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post #3 of 3 (permalink) Old 02-11-2016, 07:05 PM
Join Date: Jul 2015
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Make sure to check the new harness before you buy it because the one that I bought didn't retain the dimmer. And I second to not put in baffles, what I did was to cut the old speakers out of the plastic that they're in and fit the speaker right into the old one. Youll know what I mean when you have your door apart.
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