2000 cavalier, new head unit disaster
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=104483
Printed Date: October 31, 2024 at 7:33 PM
Topic: 2000 cavalier, new head unit disaster
Posted By: xertechx
Subject: 2000 cavalier, new head unit disaster
Date Posted: May 04, 2008 at 10:42 PM
SO i bought a relocation harness to ease the install of my aftermarket stereoin a 2000 cavalier. It was pretty straight foward, just hook up the colors together and go. I went to test the stereo and I realized the new deck was not turning on and the old stereo was still on. After hardwiring the stereo to the battery, i knew the stereo wasnt the problem. So i took a meter across the black and red wire from the relocation harness and found the red wire did not show 12v, but the yellow acc wire did. So (looking back now) being an idiot i just hooked up the red wire from the stereo to the yellow on the harness and the stereo turned on, but still not working right. So i took the redwire from the harness and hooked it up to the yellow wire and voila, it worked, the relays on the harness kicked on and the new stereo had full control off the speakers. I put the dash back together and went to turn on the car to back it out and it would not start. It would turn on for about a second and then shut off. I tried to do the on 10 min on,off ,on 10min,off,on 10min and that did not work. I checked all the fuses under the hood and the nearest related fuses in the door and found nothing. I swaped the relay with the ac relay and that did not fix it either. I can here what i would imagine is the fuel pump turning on, but not getting any luck here. The car has about and 1/8 tank of gas but i dont think this is the problem considering i drove it the same day. ANY suggestions would help, my girlfriend needs this car for college.
Replies:
Posted By: davngr
Date Posted: May 05, 2008 at 1:29 AM
i cant be completely sure, but you might have sent a ground/12v to a DATA wire behind the radio. try leaving the key in the ignition, turned to the ON position, with the door open for 30 min to an hour. if it's just your thef device that is engaged this should take care of the problem. but im pretty sure you fried one of the onboard moduels(BCM) and that would need to be replaced.
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life is a comedy to think, a tragedy to feel
Posted By: daboss593
Date Posted: May 05, 2008 at 6:24 AM
some cars if they dont have enough gas will turn the fuel pumps off as a safty feature so you dont burn them up. add more gas and then unhook your battery and rehook it to reset the pump. some also have a trip fuse that will have to reset also. dont know if this is you problem this is only something i ran into a while ago.
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OWWWWWWWWWWW you said you discharged the cap!
Posted By: xertechx
Date Posted: May 05, 2008 at 9:11 AM
I tried the anti theft reset, but i didnt try leaving the door open and the key in for an hour. I will def put more gas in to be more sure. Im thinking that module also, where can i get one?
Posted By: xertechx
Date Posted: May 05, 2008 at 10:17 PM
Also, which module do i need to replace
Posted By: xertechx
Date Posted: May 05, 2008 at 10:35 PM
also, the theft light does not come on. All i can find on line is about this related to the theft light
Posted By: Velocity Motors
Date Posted: May 05, 2008 at 10:52 PM
The vehicle has Passlock II on it and if the immobilizer kicked in, the Passlock light would be flashing in the dash. If the light is NOT flashing, and the vehicle still doesn't start, then re-install the OEM deck and try again. Also, when you say it doesn't start do you mean it cranks but doesn't stay running ? Does it crank at all ?
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: davngr
Date Posted: May 06, 2008 at 12:05 AM
xertechx wrote:
Also, which module do i need to replace
im sorry im not that familiar with that perticular car, but i have seen modules get fried when 12v/ground is sent into a data wire. at this point i would put evrything back to stock as was suggested by the other poster and start looking for a mechanic you trust. ------------- life is a comedy to think, a tragedy to feel
Posted By: xertechx
Date Posted: May 06, 2008 at 9:14 AM
Car has been back at stock for all of this. It was the first thing I did. The car cranks, turns over and shuts off immediatley. I dont know what to try, BCM maybe?
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