C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1989 Bose system

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Old Jun 14, 2014 | 07:58 AM
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Default 1989 Bose system

Does anyone have the wiring diagram for the 1989 Bose radio and speaker wiring? It would be greatly appreciated.
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Old Jun 14, 2014 | 08:01 PM
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Old Jun 14, 2014 | 08:42 PM
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Originally Posted by Hooked on Vettes




Thanks for the diagram. What manual did you get this from? I would love to be able to but one.
Thanks again.
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Old Jun 15, 2014 | 12:05 AM
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Originally Posted by PJL153
Thanks for the diagram. What manual did you get this from? I would love to be able to but one.
Thanks again.
Helms located in MI. is the publisher for GM user and service manuals.
They show the manual in stock for $115.00 plus shipping. I don't
believe they ever offered the 89 manual on CD.

You can find used service manuals on Ebay for around $35.00. More
likely they will sell for $50-75.
You want the Red front page colored book which was the final edition. The White front page
covered books were the preliminary edition and should sell for less than $30.00.

On Ebay people are selling PDF versions of the book on CD which are probably illegal copies.
They say they are licensed sellers but it makes no sense if Helms is the publisher
that GM would allow another company to sell the same type product at a cut rate price.

First link is Helms.

http://www.helminc.com/helm/Result.a...elected_media=

http://www.ebay.com/itm/1989-Chevrol...c8701e&vxp=mtr
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