Car speaker have stopped working

Tiny
AYUSHVYA
  • MEMBER
  • 2004 MAZDA 121
  • 60,000 MILES
Only one side works and when drivers side is connected messes up the other one as well.
Friday, January 10th, 2020 AT 2:30 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

If you lose both sides when you reconnect the driver's side, there must be a short. I have to be honest, this vehicle isn't offered in the US, but I'll give it my best shot.

Is this a factory equipped system or is it aftermarket? How are you disconnecting one side at a time or are you disconnecting it at the speaker?

Let me know.
Joe
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Saturday, January 11th, 2020 AT 10:28 PM
Tiny
AYUSHVYA
  • MEMBER
  • 2 POSTS
The head unit is after market but the speakers are stock, head unit works perfectly fine. I remove the door trim and disconnect the wires from the back of the speaker.
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Sunday, January 12th, 2020 AT 2:04 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Something is shorting that side. Don't connect it until it's found. You could damage the unit. Do me a favor, and this is going to sound crazy. Disconnect the speakers that are not working. Connect two wires to the connections on the speakers. Next, take a double A battery or a 9 volt and while holding one wire on the battery --. Take the other wire and tap it on and off the battery +. If the speaker is good, you will hear it respond to the battery power. It should make a clicking sound. If it doesn't, the speaker is shorted internally and needs replaced.

I realize this sounds archaic, but it is a simple way to determine if a speaker is blown.

Let me know what you find.

Joe
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Sunday, January 12th, 2020 AT 5:03 PM

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