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'91 740 - new radio installed and front speakers don't work 700

posted by  dnastrau on  Mon Jul 30 08:54 CST 2007
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last visit: Mon Dec 5 19:39 CST 2011
[RELATED]

Hi everyone:

Please forgive me if this has been answered before, but I was unable to find a post that specifically answered the following question.

I have a '91 740 that came with a four speaker stereo with amp and cassette from the factory. The front speakers are in the dash and the rears are in the back doors. The front doors do not have speakers in them (grilles but no speaker holes cut.)

I installed a new CD deck by using a Metra conversion harness that bypassed the stock amp. The deck works fine except that I get no output from the front speakers. Based on other posts, the amp only fed the rear speakers in the stock setup but the original cassette deck fed the fronts directly. I am 99% sure that I didn't screw anything up when I wired the new CD deck harness to the amp bypass and car power conversion harness. Do I have to wire the bypass harness to the front speakers directly? That doesn't make sense and no one said they had to do that in the earlier posts. Thanks for any advice!

Andrew S.








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    '91 740 - new radio installed and front speakers don't work 700

    posted by  mevin on  Fri Aug 3 06:31 CST 2007
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    last visit: Wed Aug 22 17:11 CST 2007
    [RELATED]

    We had a nrew cd player installed in our 1992 740 and the back speakers do not work. I do not know what Best Buy did, and since the car has been languishing in front of our home for the past few months, I haven't been able to get it back to Best Buy to have it checked out.








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      '91 740 - new radio installed and front speakers don't work 700

      uid 34776's pic
      posted by  Ryan_R on  Fri Aug 3 06:40 CST 2007
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      last visit: Tue Sep 24 13:46 CST 2013
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      Do you have working front speakers and dash speakers?

      -Ryan
      --

      Athens, Ohio
      1987 245 DL 312k
      1990 245 DL 133k M47, E-codes
      1991 745 GL 290k (Girlfriend-mobile)
      Buckeye Volvo Club








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    '91 740 - new radio installed and front speakers don't work 700

    posted by  dnastrau on  Fri Aug 3 03:58 CST 2007
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    last visit: Mon Dec 5 19:39 CST 2011
    [RELATED]

    Sorry to be a pest - anyone out there had a similar experience installing an aftermarket radio and bypassing the factory amp?

    Andrew S.








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      '91 740 - new radio installed and front speakers don't work 700

      uid 34776's pic
      posted by  Ryan_R on  Fri Aug 3 05:46 CST 2007
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      last visit: Tue Sep 24 13:46 CST 2013
      [RELATED]



      Hmmm.... I replied, but it seems the message didn't quite make it. I had the same problem with our '91. If you e-mail me (see my profile) I can send you the factory wiring diagram.

      -Ryan

      --

      Athens, Ohio
      1987 245 DL 312k
      1990 245 DL 133k M47, E-codes
      1991 745 GL 290k (Girlfriend-mobile)
      Buckeye Volvo Club








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        '91 740 - new radio installed and front speakers don't work 700

        posted by  dnastrau on  Fri Aug 3 11:43 CST 2007
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        last visit: Mon Dec 5 19:39 CST 2011
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        Hi Ryan:

        Thanks - I'll e-mail you off line. BTW, mine has dash speakers and rear door speakers - no front door speakers...

        Thanks!

        Andrew S.








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          '91 740 - new radio installed and front speakers don't work 700

          uid 34776's pic
          posted by  Ryan_R on  Fri Aug 3 12:04 CST 2007
          Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
          last visit: Tue Sep 24 13:46 CST 2013
          [RELATED]


          I sent the wiring diagrams. They're big files so let me know if they don't come through!

          Good luck!
          -Ryan
          --

          Athens, Ohio
          1987 245 DL 312k
          1990 245 DL 133k M47, E-codes
          1991 745 GL 290k (Girlfriend-mobile)
          Buckeye Volvo Club







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