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Speaker Trouble

  • 08-03-2014 2:48pm
    #1
    Pops_20
    Registered Users, Registered Users 2 Posts: 720 ✭✭✭


    Hi everyone. The rear speakers in my Astra never worked since the day I got the car, so today I took off the door cards and tried to find the issue.

    The speakers themselves are fine and so is the wiring. I used a multimeter to check and there is current flowing through the wiring connector when the radio is on.

    Just by chance I shorted the positive lead of the wiring connector to the door of the car, and the speaker started working, which I find a bit weird. I turned off the radio, and turned it back on and now its not working. I've done this twice now and it works both times.

    So, my question is; If the speaker is working, and so is the wiring, where is the fault?


Comments

  • #2
    iamthemanwork
    Registered Users, Registered Users 2 Posts: 687 ✭✭✭iamthemanwork


    Pops_20 wrote: »
    Hi everyone. The rear speakers in my Astra never worked since the day I got the car, so today I took off the door cards and tried to find the issue.

    The speakers themselves are fine and so is the wiring. I used a multimeter to check and there is current flowing through the wiring connector when the radio is on.

    Just by chance I shorted the positive lead of the wiring connector to the door of the car, and the speaker started working, which I find a bit weird. I turned off the radio, and turned it back on and now its not working. I've done this twice now and it works both times.

    So, my question is; If the speaker is working, and so is the wiring, where is the fault?[/QUOTE
    Most likely the fault is in the radio. Have you checked for continuity on your speaker wires from rear of radio out to each speaker.


  • #3
    Pops_20
    Registered Users, Registered Users 2 Posts: 720 ✭✭✭Pops_20


    No I have not. How would you go about doing that?


  • #4
    iamthemanwork
    Registered Users, Registered Users 2 Posts: 687 ✭✭✭iamthemanwork


    Pops_20 wrote: »
    No I have not. How would you go about doing that?

    Remove the speaker iso plug from the back of radio. Set your meter to the lowest resistance range or preferably to the buzzer if that feature is in it. Check to see if you have same resistance reading on all 4 speakers.


  • #5
    Pops_20
    Registered Users, Registered Users 2 Posts: 720 ✭✭✭Pops_20


    iamthemanwork wrote: »
    Remove the speaker iso plug from the back of radio. Set your meter to the lowest resistance range or preferably to the buzzer if that feature is in it. Check to see if you have same resistance reading on all 4 speakers.

    Ok thank you. Might not be worth the hassle for the two rear speakers. I will need to get those 4 prongs for removing the radio unit from the dash and probably the radio code also if I have to disconnect it.


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