2000 gtp bose
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=107355
Printed Date: May 16, 2024 at 12:55 PM
Topic: 2000 gtp bose
Posted By: BRANDENBMX
Subject: 2000 gtp bose
Date Posted: September 10, 2008 at 1:10 PM
I just purchased 2000 pontiac GTP for my wife and it has the factory 8 speaker bose stereo system. The front pass speaker is not working. The tweeter is not woking either so im not sure if there is a amp issue or a speaker issue. Prior to tearing the door pannel off I wanted to see if anyone knows of a issue. I need to check the Ohms on the speaker to make sure it is "blown" but I figured id check here first. Also I called the dealer and they qouted me 65 for the tweeter, and 85 for the 6 inch door speaker. What should I do?
Replies:
Posted By: Hornshockey
Date Posted: September 10, 2008 at 4:52 PM
Are both of those speakers in the door? If so you might check to see if they have been disconnected. I've seen several where they've had work done on the door or the window and the speakers were not hooked back up when the work was finished.
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Life moves pretty fast; if you don't stop and look around once in a while; you could miss it.
Posted By: sparkie
Date Posted: September 10, 2008 at 7:03 PM
Your car has an amp under the rear deck. There is a dark green and light green wire in cavity A7 & A8. These are the pass front speaker outputs. You can measure them for impedance. You should get a reading somewhere between 2-4 ohms. The tweeter has a capacitor on it, so it won't show up when you measure it. There is an intermediuate plug inside the car in the pass kick panel. It has all the wires that go into the RF door.
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sparky
Posted By: BRANDENBMX
Date Posted: September 30, 2008 at 1:08 AM
I tested the speakers and they are good. The amp is bad and getting worse daily. I as of now have 2 working speakers of 8......right rear, and front driver tweeter.. lol... some times the right front door and tweeter kick on, they sound good for a while, and then it will start to pop and nothing again. I dont abuse the stereo as this is my wifes car and my car gets all the abuse I can give. But now this issue has become a problem, and another thing for my wife to nag me about and added on the honey do list...... So I belive I need to either replace the amp, or resolve the issue with the current amp. I have been reading about this and it seems to be a common issue for these older bose systems. What can be done to repair them?
Posted By: i am an idiot
Date Posted: September 30, 2008 at 5:09 AM
There are capacitors on the board of the amp that have leaked onto the circuit board. This is a very common problem. The fluid is acidic and eats away at the traces on the board. Depending on whether the fluid has gotten underneath the Chips on the board, determines the complexity of the repair. You can tell which of the caps have leaked by looking at the solder connections on the board. Shiny solder = not leaking cap. Dull looking connections with a black area around the connections = leaking cap. The caps will have to be removed, the board cleaned, traces repaired if any have been eaten through. If the black grunge appears to have gotten under any of the Integrated curcuits on the board, they will need to be removed to clean the board. Be careful when removing, I have recently learned that the ICs are heat sensitive. I had trouble removing one, had to apply heat a bit longer than the other ones, and that channel did not work after the repair. If you do have to remove the chip or chips, before you reinsert them, I take some acetone in a spray bottle, lightly coat the entire amp, I did say LIGHTLY and then place the amp on concrete and using a long lighter, ignite the board. Do not let it burn more than 15 seconds at a time. I do this a couple of times. The heat seems to break up the corrosion that can not be seen or removed. Acetone is a very flammable substance. You must use some sort of sprayer to coat the board. If you have no sprayer, do not pour acetone on the board and light it. There will be too much acetone and not easy to get the fire under control.
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