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Author Topic: 68 Coupe Auxillary (rear) Speaker U80  (Read 7554 times)
SS375HP
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« on: March 27, 2008, 05:26:44 PM »

Where can I find the details to correctly connect the rear speaker? I'd like to know how the actual wires were connected. I understand that the single blue wire routed from the radio fader control knob has to attach to one of the rear speaker connectors. I also understand that the other speaker connector must be grounded to complete the connection. My first question is where was the speaker ground attached to the body. The second question is how was the blue wire attached to the speaker connector. I've seen the rear speaker connector that Rick's sell (their part number AR-26). This easily slides onto the rear speaker connector. It comes with two short wire pig tails. I can make all of this work but would really like to duplicte the original factory configuration.

Any photos would  be helpful. The 68 Assembly manual only mentions that the rear speaker was installed by Fisher Body and does not detail the installation.
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British Green
68 L78
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www.lucas-restorations.com
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« Reply #1 on: March 27, 2008, 06:20:52 PM »

Where can I find the details to correctly connect the rear speaker? I'd like to know how the actual wires were connected. I understand that the single blue wire routed from the radio fader control knob has to attach to one of the rear speaker connectors. I also understand that the other speaker connector must be grounded to complete the connection. My first question is where was the speaker ground attached to the body.

The speaker ground doesn't attach to the body.  The ground wire that comes out of the speaker is routed through a hole in a "bracket like" part of the metal speaker base and is soldered in place at this point.  The metal speaker base is grounded to the body through the four screws that attach the speaker to the package tray.  The nuts to these four screws have encapsulated star washers on them to insure a good ground.

The second question is how was the blue wire attached to the speaker connector.

On the same "bracket like" part of the speaker base a "cardboard type" material (insulates the blue wire from ground) is riveted to the base with a single rivet.  Riveted (also with a single rivet) to this material on the other end is a connector for the blue wire terminal to slide onto.  The "power" wire from the speaker is routed through a hole in this connector and is soldered in place at this point.  The terminal on the blue wire is crimped in place and has a built-in detent in it to prevent it from sliding off the connector.     Smiley

Paul
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SS375HP
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« Reply #2 on: March 27, 2008, 08:16:07 PM »

Paul, thank you for the detailed explanation. From your description I'm now guessing that we do not have an original rear speaker. I'm attaching a photo of the one we have. Could you tell if it might be original and missing the "cardboard type" insulator board, or is it simply non original?
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British Green
68 L78
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www.lucas-restorations.com
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« Reply #3 on: March 27, 2008, 08:32:09 PM »

Paul, thank you for the detailed explanation. From your description I'm now guessing that we do not have an original rear speaker. I'm attaching a photo of the one we have. Could you tell if it might be original and missing the "cardboard type" insulator board, or is it simply non original?

Non-original based on the one in my car.     Sad

Paul
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Pex68
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« Reply #4 on: March 28, 2008, 04:46:00 PM »

The part number for the speaker your looking for is 7300614.  Good luck finding one!!!  Took me 3 years to get 2 NOS ones for my car!!!  It only has 1 lead for the wire to attach as Paul described.  If you need a pic let me know and I'll go snap one from the car.
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Chris P
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« Reply #5 on: March 28, 2008, 06:02:53 PM »

The part number for the speaker your looking for is 7300614.  Good luck finding one!!!  Took me 3 years to get 2 NOS ones for my car!!!  It only has 1 lead for the wire to attach as Paul described.  If you need a pic let me know and I'll go snap one from the car.

Chris is right.  7300614 is stamped on mine in purple ink.     Smiley

Paul
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SS375HP
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« Reply #6 on: March 29, 2008, 08:18:11 PM »

Hi there Pex68 (Chris),

A photo would be appreciated. I've never seen the "real deal". It would help me search for one.

Thanks,
   Ken
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British Green
68 L78
Phoenix, Maryland
www.lucas-restorations.com
z-villejw
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« Reply #7 on: March 30, 2008, 06:46:38 PM »

Their is a NOS install kit on EBAY right now. Everything you need except the speaker,. connectors & speaker cover. check it out
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J. Wiles  Southeastern Ohio
1968 RS SS Coupe with 1967 427-435 Tri-power
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4 Speed with 3:31 12 bolt
Pex68
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« Reply #8 on: March 31, 2008, 08:12:55 AM »

Hi there Pex68 (Chris),
A photo would be appreciated. I've never seen the "real deal". It would help me search for one.
Thanks, Ken

Ken, Here you go!  Good luck with the search!!!



One note too, do NOT connect any speaker with less than 10 Ohms to a factory radio!  You will cook it in no time flat.
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Chris P
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« Reply #9 on: March 31, 2008, 12:16:02 PM »



Great photo Chris!  That's the layout I was trying to described, but a "picture is worth a thousand words".  On my Camaro, there is also a metal bracket that clips into one of the speaker mounting holes (mine is located in the right upper hole in Chris' photo) that supports the speaker wire so it doesn't hang down and snag on something.  Also, my speaker wire is blue in color.     Smiley

Paul
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Pex68
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« Reply #10 on: March 31, 2008, 02:23:48 PM »

Thanks Paul.
Someone had mentioned those clips to me once at a show, can you post or send me a pic?  I do not think I had those clips you mentioned as my car has the multi-plex and wire is clipped to the rear seat back steel frame.  That shot is of the left speaker, hence the brown wire.  Believe the right speaker has the blue wire on my car but it's hard to get in there with the spare to see!
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Chris P
1968 Sequoia Green SS 396/325 M20
SS375HP
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« Reply #11 on: April 15, 2008, 10:20:56 PM »

Chris and Paul,

Your photos are both great. Thanks for all of your help. I'll know what to look for if ever I come across one. I appreciate your help.
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British Green
68 L78
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www.lucas-restorations.com
SS375HP
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« Reply #12 on: April 16, 2008, 06:49:13 AM »

Chris and Paul,

Obviously I was half asleep last night when I replied. I still want to thank both of you for the information, but now I realize there was only one photo. It was late, and I'm old!
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British Green
68 L78
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www.lucas-restorations.com
crobjones2
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« Reply #13 on: April 16, 2008, 10:33:31 AM »

Quote
The 68 Assembly manual only mentions that the rear speaker was installed by Fisher Body and does not detail the installation.

The 69 AIM is the same way. Does anbody know what the correct part # for the 69 speaker was? The AIM list it as 7300614 Speaker ASM. Is this the same as your 68's?
Thanks
Chris
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Chris
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« Reply #14 on: April 16, 2008, 11:42:42 AM »

Does anbody know what the correct part # for the 69 speaker was? The AIM list it as 7300614 Speaker ASM. Is this the same as your 68's?

Chris -

Yes, '68s use the 7300614 speaker.  You can see the part number in Chris' photo below...

Paul

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1968RSZ28
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« Reply #15 on: April 16, 2008, 11:45:11 AM »

Chris and Paul,

Obviously I was half asleep last night when I replied. I still want to thank both of you for the information, but now I realize there was only one photo. It was late, and I'm old!

No problem Ken!  You can't be that old if you're driving a '68 Camaro!     Smiley

Paul
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Pex68
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« Reply #16 on: April 16, 2008, 03:22:00 PM »

Ken, ditto, anytime.  Glad to help!
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Chris P
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« Reply #17 on: April 19, 2008, 04:27:54 PM »

Hey Ken, looks like you found a speaker already!...

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=290222186234&ssPageName=ADME:B:WNA:MOTORS:1123

Paul
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crobjones2
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« Reply #18 on: April 29, 2008, 12:28:33 AM »

Found an original
Anybody know where I can get my speaker re-coned? it is in sad shape
Thanks
Chris
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Chris
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Pex68
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« Reply #19 on: April 29, 2008, 08:40:44 AM »

I used a guy who sells (or used to) on eBay for my 4x6's.  JV Restorations or something like that.  Came out perfect.  I'll see if I can find his contact info.  This was 3 or 4 years ago now.
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Chris P
1968 Sequoia Green SS 396/325 M20
Pex68
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« Reply #20 on: April 29, 2008, 12:34:02 PM »

Just found his email - from 2005!!!  Joe Vijil   joevijil@adelphia.net
And it is jvrestorations on eBay.  Hope he could help you out.  It was $45 each back then. 
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Chris P
1968 Sequoia Green SS 396/325 M20
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« Reply #21 on: April 29, 2008, 08:18:05 PM »

Jackson Speaker Service
c/o Ron McGee
3921 Pinecrest Court
Jackson, MI 49203
phone (517) 789-6400

Supposed to do very nice work.
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Kurt S
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« Reply #22 on: May 12, 2008, 02:48:37 PM »

Great photo Chris!  That's the layout I was trying to described, but a "picture is worth a thousand words".  On my Camaro, there is also a metal bracket that clips into one of the speaker mounting holes (mine is located in the right upper hole in Chris' photo) that supports the speaker wire so it doesn't hang down and snag on something.  Also, my speaker wire is blue in color.     Smiley

Thanks Paul.
Someone had mentioned those clips to me once at a show, can you post or send me a pic?

Hey Chris -

I finally found a photo of the U80 speaker wire clip (bracket) I'd mentioned...

Paul
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Pex68
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« Reply #23 on: May 12, 2008, 06:07:44 PM »

Paul, thanks!  I have seen that clip before.  Not sure of the application though because it's attached to the speaker and the speaker carries a different part number.
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Chris P
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« Reply #24 on: May 12, 2008, 07:18:47 PM »

Paul, thanks!  I have seen that clip before.  Not sure of the application though because it's attached to the speaker and the speaker carries a different part number.

Chris -

I got that photo off Ebay, but the clip is the exact same one as on my original 7300614 U80 speaker in my '68 Z/28.     Smiley

Paul

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