97 seville sts stereo

Ok heres the run down, I had a 97 Monte Carlo LS, complete aftermarket system, all speakers amped, bitchin alpine HU with ipod deal, pretty good all around. Well the monte went to doodie and i bought a better car, 1997 Cadillac Seville STS. This car has all options except for moonroof. Bose sound system(sounds terrible in comparison to the Monte), whatever disc changer in the trunk. Here are the questions

1)When replacing the cadillac factory head unit do i need to leave it in the car for whatever functions to work.

2)I have controllers on the steering wheel, can these be rewired to work with my alpine unit(i highly doubt it)

3)What are the specs on the bose speakers? Paper cone, RMS etc. If theyre decent i might as well use them for now because the speakers from the monte cant be transfered(easily).

4)where is the factory Amp and subwoofer


Im sure i will have more questions, thanks for looking guys.

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

...Here might be a simpler question, where can i find a dash kit?

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

'97 to '01 sevilles dash kits from metra part # 99-2005.  As far as bose system, the spkrs are paper cones and the ohms can be 2 to 8 (i've seen both 2 and 8 in factory systems for cadi's).  If you're wanting to keep the factory amp and spkrs, then you need the GMOS-06 (also from metra) wire harness.  And Peripheial makes interfaces to retain steering wheel controls.  Be careful when messing with the factory amps in cadi's though, as I have seen some pretty wild things happen with guys trying to do amp bypasses on them.  I would suggest to either use the factory amp with the amp integration harness or go with a 4 chann amp.   

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Perfection is the only standard.

Thanks for the info, if i retain the bose amp for the speakers and replace the bose speakers will that be an issue?

I currently have a 5 channel amp that i was using to push all the speakers in my monte carlo, sub included. If i go this route i would just remove the factory amp and find the power/ground wires to it and remove them.

However it would be really nice to retain those steering controls.

I really dont like paper cone speakers though.

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

Also i just got the chiltons manual on the car so ill read as much as i can before i ask any more questions, so do i need to retain the factory hu at all so i dont lose any of the cars features?

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

I would suggest that if you go with the 5 chann amp that you:

1.  Change out the speakers.  The factory spkrs will eventually blow.

2.  Don't mess with the factory amp at all.  Wire the 5 chann amp directly to the speakers. 

I would not keep the factory hu and change spkrs unless you test the ohms of your factory spkrs and test the rms and find spkrs to match.  Honestly, the better way to go is to use the 5 chann with new spkrs.   

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Perfection is the only standard.

gotcha, all i really care about is being able to use the steering wheel controls on my alpine, as that would be so sweet.

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

Have any links for that part to beable to use the steering wheel controls, im not finding any

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

One last question i keep getting conflicting sizes on the Front speakers, Scosche seems to think they are 6 3/4, i've heard they are 5 1/4.


I found the site for Peripheral
https://peripheralelectronics.com/

They have something for the 98 Seville but not the 97 Seville, and a generic one. Which one do i want?

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

Well I was hoping for more input...however heres the plan,
I found the dashkit and wire harness. Tommorow I am going to take pictures of the stock system and figure out the safest way to run new wires through the car. Drill point etc. I might just have a shop run the power line, makes me paranoid drilling through a car this nice.

1)Tomorrow ill wire the aftermarket Alpine harness with the radio harness(any ideas on best place for running ipod adapter? im thinking glovebox or ashtray)
2)Tuesday the head unit will be put in without the SWC piece, i might have a shop do this if i cant get any more info on which one to purchase.
3)Tuesday the front speakers will be replaced with the ones from my monte(i hope assuming theyre actually 5 1/4), with new wire running to the trunk
4)Wednesday 6x9s will go in
5)reuse the subbox from monte carlo until i can make a new one and wire everything

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

if u really want to know which speaker sizes are in ur car go to metraonline.com and that is one of the best i use it every day at work. The swc is prob going to b one of the harder things to find most the higher end shops have them but programming them is not that fun. You should not need to keep the factory h/u for anything. the harness number you need is met gmrc03. the amp bypass harness is 70-2054

no place anywhere lists that information. A local shop said it could be either size. Im thinking the SWC isnt worth it right now. I dont need an amp bypass if i remove it correct?

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97 Monte Carlo
CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.