Possible to keep factory bose amp and replace head unit? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-19-2010, 09:25 AM   #11
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Quote:
Originally Posted by ymmot04 View Post
Swapping out the headunit is a good size project, and usually requires a complete rewiring of the speaker wires to do it right. The problem the 8 speaker systems run into is there are only outputs for 4 speakers that go into the amp, then get split to the 8 speakers from there. This makes you short 4 sets of wires short when you go to hook up the speakers to your aftermarket radio.
It sounds like what you are saying is if you want to get rid of the amp? If the factory head unit has 4 pairs of wires that go to the amp, then why would you need 4 additional pairs of wires when going to an aftermarket?
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Old 05-19-2010, 10:38 AM   #12
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I am talking about removing the bose amp, you will most likely get better sound quality letting the headunit power the speakers and removing the amp (assuming you don't buy a cheap walmart radio). If you run an aftermarket headunit through a factory amp you will run the risk of issues such as large volume jumps where 12/35 is max volume, bass dropping off, etc. It can be done in some vehicles, but it depends on what signal you are sending into the amp and how good you want the system to sound.

The amp acts as a crossover and splits the signal from each pair of wires into two pairs of wires. If you remove the factory amp, you no longer have that crossover function so your left with 4 pair of wires for 8 speakers.
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Old 05-19-2010, 11:11 AM   #13
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OK thanks for the info..

Now, how hard is it removing the factory deck?
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Old 05-19-2010, 11:12 AM   #14
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I could probably remove a factory deck in 15 seconds flat. It'* getting the aftermarket in that is tricky.
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Old 05-19-2010, 11:20 AM   #15
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OK thanks for the info..

Now, how hard is it removing the factory deck?
Remove the two plastic clips above the cluster in the black trim piece (the one that goes from around the hvac unit to the other side of the steering wheel).

Start by the hvac unit and pull the black trim out until you get to the other side of the steering wheel. The little round piece with Off, Acc, On, Start will pop off as you're pulling it off. I find it helps to have the steering wheel tilted all the way down, and then put the entire piece aside.

You should then see clips on top and bottom of the radio. Push those in and pull the radio out.
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Old 05-28-2010, 10:30 PM   #16
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Ok so I just had the radio out and something I've never seen before... There is no wiring harness.. Instead it'* like a slot that just plugs in.. How would I install a new head unit to this?

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Old 05-29-2010, 11:31 AM   #17
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the factory speakers in your car are 2 ohm i believe. There are 2 ohm component speakers available like the Infinity Reference series
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