Help.Speakers dont work - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Audio (and aftermarket electronics) This is your place for alarms, remote starters, to brag about your system, exaggerate your db levels, or simply ask questions for stock or aftermarket audio. No Flames! (except from roasted amps)

Reply
 
 
 
Thread Tools Search this Thread
Old 04-08-2009, 04:57 PM   #1
Junior Member
Thread Starter
 
Join Date: Dec 2008
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
gooper is on a distinguished road
Angry Help.Speakers dont work

I have a 2001 Bonneville SLE without bose if that matters. Recently the Front passenger side and the rear drivers side speakers stopped working (no noise at all). Today i replaced the rear speakers and im still not getting anything out of the drivers side rear. Now before i buy speakers for the front is there a possiblity that the front is not blown either and that there is another problem that would cause those two speakers to not work?

Last edited by gooper; 04-08-2009 at 04:59 PM.
gooper is offline   Reply With Quote
Old 04-08-2009, 06:11 PM   #2
Senior Member
Posts like a Corvette
 
crunkfrunk's Avatar
 
Join Date: Jun 2008
Location: Cleveland, OH
Posts: 1,389
Thanks: 0
Thanked 0 Times in 0 Posts
crunkfrunk is on a distinguished road
Default

the fade hasn't been changed has it? that would be the first thing to check
crunkfrunk is offline   Reply With Quote
Old 04-08-2009, 06:45 PM   #3
Junior Member
Thread Starter
 
Join Date: Dec 2008
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
gooper is on a distinguished road
Default

Nope the fade and balance are fine.. tried them in the middle and tried changing to just those speakers
gooper is offline   Reply With Quote
Old 04-08-2009, 07:15 PM   #4
Senior Member
Posts like a Corvette
 
crunkfrunk's Avatar
 
Join Date: Jun 2008
Location: Cleveland, OH
Posts: 1,389
Thanks: 0
Thanked 0 Times in 0 Posts
crunkfrunk is on a distinguished road
Default

thats strange, 2 seperate channels would go out on the same side, I've never seen this on any of the cars i've worked on, maybe someone else will have some helpful info
crunkfrunk is offline   Reply With Quote
Old 04-08-2009, 07:47 PM   #5
Senior Member
Posts like a Turbo
 
black_friday's Avatar
 
Join Date: Dec 2006
Location: Cincinnati, Ohio
Posts: 484
Thanks: 0
Thanked 0 Times in 0 Posts
black_friday is on a distinguished road
Default

the outputs on the radio may be fried. id check with a multimeter to see if there is any voltage behind the radio being put out to speaker (+,-) wires for all four speakers. if you want to check the speakers to make sure they arent blown, touch a battery to the speaker terminals with a few loose scrap wires + to + and - to -. the speaker should pop and you should see some cone excursion. If they dont pop... dead speaker.
black_friday is offline   Reply With Quote
Old 04-08-2009, 07:50 PM   #6
Junior Member
Thread Starter
 
Join Date: Dec 2008
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
gooper is on a distinguished road
Default

Can i test the back of the radio? It is the "dock and lock connecter" not just wires coming out the back? Is there a way to test this?
gooper is offline   Reply With Quote
Old 04-08-2009, 07:59 PM   #7
Junior Member
Thread Starter
 
Join Date: Dec 2008
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
gooper is on a distinguished road
Default

My mom has an 02 bonnie can i swap the radios to see if the head unit is bad or will this actiave the theftlock?
gooper is offline   Reply With Quote
Old 04-08-2009, 10:12 PM   #8
Senior Member
Posts like a Corvette
 
crunkfrunk's Avatar
 
Join Date: Jun 2008
Location: Cleveland, OH
Posts: 1,389
Thanks: 0
Thanked 0 Times in 0 Posts
crunkfrunk is on a distinguished road
Default

the theftlock will probably kick in, yeah it will be hard to test at the radio connection because of the flat wire, convienient for quick installation but a pain in the *** for testing and tapping wires
crunkfrunk is offline   Reply With Quote
Old 04-09-2009, 01:00 AM   #9
Senior Member
Posts like a Turbo
 
black_friday's Avatar
 
Join Date: Dec 2006
Location: Cincinnati, Ohio
Posts: 484
Thanks: 0
Thanked 0 Times in 0 Posts
black_friday is on a distinguished road
Default

gooper, crunk is right, that radio does create a problem for probing or using wires behind it as signal sources. I guess the best way that I can explain to you what needs to happen would be done by saying (and please dont take offense to anything i say that sounds too elementry. I just want to make sure that I give you and anyone else reading the best input i can without being there, and a way for you to visualize how you can track down the problem), in an electrical problem there are 4 areas that you can almost always find the sollution
1. the power to the source signal- this is really a simple way of saying you want to make sure that your source signal(the radio in your case) has power and ground and works. since your radio does come on lets move to step two.
2. the source signal- (in this case your radio) now you normally would be able to test what the radio is putting out if it were an aftermarket (or different radio) by putting it on a test bench, feeding it 12v constant and switched and ground. when you turn up the volume (with a cd playing) you could check each pair of speaker wire to see if its putting out any voltage. It should read something low i believe like 4-7 volts but i could be wrong. if all of your speaker outputs are showing voltage you would then move to step 3.
3. the pathway- this would be whatever wire is between your sources signal and the source itself. in your case it would be speaker wires. this would be done by checking the speaker wires between the radio and speaker in different locations. I will be honest, this step is most often step 4 because it could be a pain in the ***! not to mention the fact that as a trouble shooter, we often go to whats wrong first and work backwards. either way is fine but if you check your speaker first and its doin nothing, the easiest next step would be to pull the radio instead of following wires behind a dash, to the kick panel and then through the dreaded molex plug. i guess you already know step 4...
4. check the source (whatever it is all running to)in your case your speakers. pop them with a small 9volt batter by running some scrap wire from the (+) of your battery to its matching terminal on the speaker and the same for the (-). if it moves and makes a popping noise chances are it is fine. You could also check the impedence of the voice coil by setting a volt meter to ohms and touching the black lead to (-) and the red to (+). If it doesnt read anything the speaker is blown.

Again, this sequence is used to try to isolate an electrical problem and will most likely expose the problem. I will also stress that the most common way to troubleshoot a car audio system is by doing whats easiest first but if that gives you no progress follow these steps in order. I can help you along the way if you have anymore questions. That is what us Gear Heads are here for (well that, and hazing eachother but thats just what everybody did to me when i first came on the forums... hahaha thanks guys. Anyway, let me know if you need me
black_friday is offline   Reply With Quote
Old 04-09-2009, 11:38 AM   #10
Junior Member
Thread Starter
 
Join Date: Dec 2008
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
gooper is on a distinguished road
Default

Ok... It turned out to be the head unit. Picked one up at a local junkyard for 50 bucks, Had it programed to my car at a local dealership (Its great to have friends, got it done for just a tip to the tech, said they usualy charge 84.95) Thanks for all your guys help
gooper is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
door speakers dont come on savage_973 Audio (and aftermarket electronics) 9 06-25-2009 04:08 AM
Rear Speakers and Steering Wheel Controls Dont Work MGarnett Audio (and aftermarket electronics) 12 05-19-2009 04:29 PM
Dont Ask,.... Dont Tell! GXP Venom Lounge 5 03-03-2009 08:55 PM
New poem - dont read if you dont care. jwakamud Lounge 3 03-27-2007 02:17 AM
cd player and rear speakers dont work greenmoose92 Audio (and aftermarket electronics) 6 04-24-2006 07:19 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 07:52 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.