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Old Jun 22, 2010 | 12:22 PM
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Default Radio problems

The previous owner of my 95 dakota had a system in and put in the stock parts before i bought it. After about a week of blasting the radio my front speakers stopped working. The speakers were fine but they didn't have power going to them and if i turned the radio up they would make a little noise. Since one of my rear speakers was making a weird noise when there was a lot of bass i replaced it with one of the front speakers. It sounded great but when I turned up the volume it stopped working.
I noticed that it says 4 ohms on the rear speakers, and 8 ohms on the front speakers. Could this be damaging the radio? and is there anyway to fix it?
 
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Old Jun 22, 2010 | 02:07 PM
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The factory radio should be able to handle a 4 ohm speaker, so I doubt thats the problem. The internal amp could still be bad though. I'm not too familiar with the factory radio, but there might be fuses in the back of it that blew.

Have you checked all wire connections are good, and all fuses are good? There is a 5 amp fuse in the power distribution center under the hood that could be bad as well as fuse 12 in the fuse box.
 
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Old Jun 22, 2010 | 07:41 PM
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Originally Posted by 95_318SLT
The factory radio should be able to handle a 4 ohm speaker, so I doubt thats the problem. The internal amp could still be bad though. I'm not too familiar with the factory radio, but there might be fuses in the back of it that blew.

Have you checked all wire connections are good, and all fuses are good? There is a 5 amp fuse in the power distribution center under the hood that could be bad as well as fuse 12 in the fuse box.
All the fuses are good and the 4ohm speaker that's left in there works fine. Its the 8 ohm speakers that caused the problems.
The 8 ohm speakers don't have marks for + and - If it was wired backwards could it cause problems?
There are plugs where the last guy plugged his speakers into with like 4 wires going into them. The rear speakers are spliced into them but the front speakers are not. I would like to rewire all the speakers but i need to know what each wire coming out of the radio goes to.
I'll have to look at the radio and check for fuses in the back.
 
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Old Jun 22, 2010 | 10:27 PM
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if the speakers were wired backwards they would sound horrible. i've done this plenty of times to find the wiring setup on speakers.

i posted this a while ago...

Originally Posted by shadowthedakota
1995 Dodge Dakota Car Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Red/Blue
Car Radio Accessory Switched 12v+ Wire: Red/White
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Black/Yellow
Car Stereo Dimmer Wire: Orange
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Dark Green
Left Front Speaker Negative Wire (-): Blue/Orange
Right Front Speaker Positive Wire (+): Violet/White
Right Front Speaker Negative Wire (-): Brown/Blue
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown/Yellow
Left Rear Speaker Negative Wire (-): Brown/Red
Right Rear Speaker Positive Wire (+): Blue/White
Right Rear Speaker Negative Wire (-): Blue/Red
the factory radios don't have fuses in them they use the fuses under the dash and in the hood.

you would be better off just getting new speakers for it than using the old ones
 

Last edited by shadowthedakota; Jun 22, 2010 at 10:31 PM.
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Old Jun 23, 2010 | 12:01 AM
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Higher resistance won't harm an amp, but if you go too low it could fry the amp. So the speaker being 8 ohms is not the issue.

And if you wire a speaker backwards, it runs backwards... its called phasing in acoustics. Two speakers wired backwards are phased 180 degrees apart. It won't hurt the speaker, but it won't sound right.
 
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Old Jun 23, 2010 | 11:53 AM
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Thanks for the help guys!
I do have a nice set of speakers i can put in but the radio only powers 1 speaker. Is my radio done?
 
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Old Jun 23, 2010 | 01:23 PM
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It sounds to me like the radio is done. But if you have a nice set of speakers, you don't really want to power them with a factory radio!! Get a nice aftermarket radio and it will sound uncomparably better.
 
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Old Jun 23, 2010 | 09:44 PM
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Originally Posted by 95_318SLT
It sounds to me like the radio is done. But if you have a nice set of speakers, you don't really want to power them with a factory radio!! Get a nice aftermarket radio and it will sound uncomparably better.
Thanks, I'll start looking for a radio.
 
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