2000 cavalier stock stereo
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=26426
Printed Date: May 14, 2024 at 7:22 AM
Topic: 2000 cavalier stock stereo
Posted By: importfyter
Subject: 2000 cavalier stock stereo
Date Posted: February 13, 2004 at 10:00 PM
A friend of mine was told that you need a special adapter to install a aftermarket stereo in his car. From all of my experience that is crap. He said there is something to do with the cars computer inside the oem stereo. I think this is all crap because the wire is the exact same as a 98 and the same as a 97 saturn. Any input on on this would be appreciated. I think the guy is only tryibg to make money.
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N.Helmsy
Replies:
Posted By: Alpine Guy
Date Posted: February 13, 2004 at 10:07 PM
the 2000 cavlier has the data line running through the radio. You infact need a special harness that costs twice as much as the normal harness. And you MUST keep the factory radio conected to the harness, you just have to relocate it to the trunk, or under the dash somehow. Its another stupid step towards pissing customers off and stoping them from buying aftermarket radio's. F U CHEVY. That is all.
Posted By: Ketel22
Date Posted: February 13, 2004 at 10:31 PM
all gm vehicles i do believe after 00' need the stock h/u to remain in the vehicle.
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Quad L Handyman services
Posted By: ccroadshop99031
Date Posted: February 17, 2004 at 12:49 PM
there is a peice frim AMI i think that dosent need the factory stereo circuit city has it $50.00 i beleive
Posted By: forbidden
Date Posted: February 17, 2004 at 1:40 PM
The vehicle has a class II databus system, do a search on this site to learn about it. In this vehicle, it is a real pain in the a$$ to do a cd install. The stock head unit must remain in the vehicle, and hooked up in the circuit, it just needs to be moved behind the right rear wheel well. It is moved with a harness available from many manufacturers, I like the Scoche GM06 ( www.scosche.com) , you will also need an antenna adaptor and install kit. When you move this factory radio, make sure it is strapped into place so it does not rattle around in the wheel well and that the power know is not accidentaly able to be turned on should the factory deck move or be turned on by placing an item in the trunk. ------------- Top Secret, I can tell you but then my wife will kill me.
Posted By: Alpine Guy
Date Posted: February 17, 2004 at 10:31 PM
is it possible to take the deck apart and just keep the circuit board in place? wrap it in tape and stick it under the dash? i was thinking of clever ways to install these dam things the other day.
Posted By: thapimpfromchi
Date Posted: February 17, 2004 at 11:38 PM
Hey, what would happen if the head unit were to be removed? I dont know anything about this new tech. Just asking.
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1990 Honda Civic HB:
Clarion DXZ545MP H.U.
2- 6.5" Power Acoustik interiors
Diamond Audio 600.1 amp
Diamond Audio 15" M6MKII
Pyramid PB881X 4 CH. Amp
Posted By: Alpine Guy
Date Posted: February 17, 2004 at 11:47 PM
door locks shouldn't work, alarm shouldn't work, may send the computer into a frenzy. Or it may just not allow the techs to diagnose problems. IM not to certain yet, , but almost everything electrical is operated through the 1 data line.
Posted By: thapimpfromchi
Date Posted: February 18, 2004 at 11:35 AM
oh wow. Thats retarded. why would they have something like that in their cars? I hope they plan on making some nice head units soon then. Like 70x4, 3 sets of rca outs, mp3 compatible. :) GM can handle that, they use the double din size receiver. haha.
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1990 Honda Civic HB:
Clarion DXZ545MP H.U.
2- 6.5" Power Acoustik interiors
Diamond Audio 600.1 amp
Diamond Audio 15" M6MKII
Pyramid PB881X 4 CH. Amp
Posted By: spddmon
Date Posted: February 18, 2004 at 7:28 PM
You can remove the stock radio with no problems. The only that does not work after is the door chimes and onstar. Your door locks, alarm and all other systems will work normally, as well as diagnostic computers. I replaced mine in my 2002 sunfire and used a 2000 Tracker metra harness to connect it and it works perfectly. Its been months now and no codes have been set and my keyless entry still works.
Posted By: slugless7
Date Posted: February 19, 2004 at 12:39 PM
I have done tons of 2k and up GM cars, as long as you don't mind the loss of door chime and you dont have onstar you shouldnt have a problem. One other thing is that if you have the same harness as a 98 cavalier then you shouldnt worry about it because thats not the radio that has those features anyway. only if you need the 70-2003 wiring harness (metra) would you need to worry about running a switched wire or any other funny things GM threw in there to make our lives as installers difficult.
Posted By: oose
Date Posted: March 12, 2004 at 9:16 AM
That is all Bullsh*t! - I installed an Alpine in my 2001 cavalier
The only thing you lose by not using the T harness (used to relocate the stock deck) is the door chime - THAT'S ALL!
The keyless entry is NOT connected to radio, neither is the airbag - the only thing you have to do run a switched wire from the fuse box - GM uses the BCM to turn the radio on.
Don't believe everything everyone tries to tell you -
Peace Out!
Posted By: Metra Tech
Date Posted: March 12, 2004 at 11:23 AM
This is a very confusing system to understand and I receive at least 10 calls on a day on this very subject. Let me explain this so you all understand and please understand I am not biased towards any way. Do these vehicles as you may, it doesn't matter to me. On a class 2 data system which started in 1996 on Cadillacs, 2000 on GM's, when you start the vehicle, the computer sends out a signal to all pieces on the data line. Once the first module on the data system receives a signal, it then sends back a signal to the computer to let it know it's good. From there it goes to the next module and so on. Now if a module was not there or went defective, it may send the computer into a frenzy. Anything on the data bus after that piece will not work as the computer does not go farther than the fault. That is why the most important modules like fuel and such are first on the data bus. Most vehicles do not put important modules behind the radio on the data bus, but Cadillac and Pontiac are known to do so. So this is why the more features your vehicle has, the more problematic it can be. Now what nobody knows and GM does not announce is where the airbag is on the data bus. Another problem according to calls I receive is when you leave the radio out or the computer is an a frenzy, the dealerships computer interface will not allow it to access the system. False or not I do not know , but I do receive calls that say this from people that do not use the proper harness. I know dealerships will use any excuse to void the warranty. Now that's class 2 in a nutshell. Stay tuned for the new and improved GM LAN system! For those who would like to use a wiring harness to keep the delayed accessory feature, keep chimes, turn Bose amps on, and not have problems when your car is being serviced, use these part numbers; GMRC-01 for the base system, GMOS-01 for base systems with On-Star, GMOS-02 for the Bose amped systems with or without On-Star, GMOS-03 for the systems with a Delco or Monsoon amp. And of course we have the relocation harness, 70-2003t with the SP-2003 speaker and the On-Star relocation harness, 70-2005. One side note before I leave, not all 2000 GM's are class 2. In 2003 most are but not all. A common vehicle I get that is not is the S-10. Also, RDS does not mean it is class 2. This is a tuner feature. An easy way to tell if it is class 2 is to check for an accessory wire. If it does not have one, it is a class 2 vehicle(Corvette is an exception, it is not). I hope this clears up any questions anyone has and if you have any more questions please post back.
Posted By: lagatbezan
Date Posted: March 12, 2004 at 11:53 PM
peripheral now has a harness that you can use and not have to retain the factory radio. they are not cheap but you save so much time on the installation. here is the link: https://peripheralelectronics.com/periph_products/cd_changer_autos/instructions/peswix%20inst%209-23-02.pdf
Posted By: lagatbezan
Date Posted: March 12, 2004 at 11:55 PM
opps, sorry wrong link.... here is the correct one: https://peripheralelectronics.com/2002/onstar.asp
Posted By: Metra Tech
Date Posted: March 14, 2004 at 9:50 AM
With the modules I referred to; GMRC-01, GMOS-01, GMOS-02, GMOS-03 you DO NOT have to leave the radio in the car.
Posted By: jimmeezgolfvr6
Date Posted: March 14, 2004 at 2:08 PM
thank you, Metra Tech for having the patience to explain this phenomenon finally! i can't tell you how many times i've had to explain this to customers myself that don't care and don't want to understand.
according to what i've been told, part of the car's BCM memory for the airbag deployment system is held in the factory h/u....if the h/u is not there, that doesn't mean that the airbags won't work, but they can no longer be relied upon to work in the fashion that they're supposed to. also, when the dealership plugs their OBD equipment into your car for diagnostics, they won't be able to get accurate info. i'm sure they won't lose much sleep over using this as an excuse to void your warranty.
but then again, if indeed you have the same harness in your car as a 98 cavalier, then this shouldn't be something that you have to worry about. while it is true that the class 2 data system started in 2000 for cavaliers, your vehicle may have a production date that just missed it.
Posted By: jimmeezgolfvr6
Date Posted: March 14, 2004 at 2:14 PM
btw, for those people that have removed the factory h/u on a vehicle that has this class 2 data system, you're absolutely correct....you won't notice any troubles or an differences whatsoever (other than the loss of the door chime and delayed accessory). it's just that the cost and work associated with relocating the h/u or using those interface modules really aren't all that high.....why bother to take the risk of losing your warranty?
Posted By: Metra Tech
Date Posted: March 15, 2004 at 10:46 AM
One thing to add here. Like I said earlier, it all depends on where they put the radio on the data bus line. I have had all kinds of calls here at Metra from these vehicles from vehicles not starting(Caddy Deville), to gauges failing after 30 minutes(Pontiac Gran Prix). It's nothing in the factory radio that causes these problems, it's the computer brain of the vehicle freaking out because a piece of the data puzzle isn't there. So yes there are a few vehicles you HAVE TO keep the radio in the vehicle.
Posted By: oldsmobileman
Date Posted: April 13, 2004 at 2:28 PM
Makes you wanna flip burgers....WHat about running all new wires?
Posted By: defective
Date Posted: April 13, 2004 at 2:43 PM
youd still have to keep the factory radio..... in essence that is what your doing, relocating the radio and interfacing with the factory speaker wires. Just Buy A Metra! It's easy, clean and reversable.
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Posted By: Sweekster
Date Posted: April 13, 2004 at 6:29 PM
Ditto.....get the relocation kit dude. less of a headache. here's a link to a previous thread from a guy who did an 01 monte carlo. he used the relocation kit and it worked out great for him.
https://www.the12volt.com/installbay/forum_posts.asp?tid=29185&PN=17
------------- Duane...
If you think you're confused, imagine how you feel. 
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