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Wiring in amp to factory radio

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Old 06-20-2017, 11:20 PM
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Car: 89 GTA, 84 T/A
Engine: L98 stock, Carbed 350
Transmission: 700r4
Axle/Gears: 3.27
Wiring in amp to factory radio

I want to add and amp and new speakers, but would like to use a line converter to keep my factory radio. Can someone confirm that I have this wired correctly.

I want to make sure that the remote wire is correct, also is it alright to use the factory wiring to run the new speakers?

Old 06-21-2017, 09:54 AM
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Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: Wiring in amp to factory radio

Looks good. Just one thing. If sound quality is high on your priority list, then using a high level to low level converter is not a good solution. It introduces an entire stage of distortion. Kind of like making a photocopy of a photocopy. If I were to do this, I would get a Bose factory head unit and use the speaker outputs directly into the amp. The Bose output is a low level input already (preamp level).
Old 06-21-2017, 11:36 AM
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Car: 89 GTA, 84 T/A
Engine: L98 stock, Carbed 350
Transmission: 700r4
Axle/Gears: 3.27
Re: Wiring in amp to factory radio

I have never seen one of the Bose units, and it would probably cost more than I want to spend. Do the later Monsoon units operate the same, or is there a way to bypass the amp in a regular factory radio, and get the necessary pre amp signal that way?
Old 06-22-2017, 09:03 AM
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Car: 1989 IROC Convertible
Engine: 350 TPI L98
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Axle/Gears: 3.42
Re: Wiring in amp to factory radio

They're all around. Usually around $200. They seem to be mostly from C4 Corvettes. I'm sure there is a way to tap the pre-amp levels but have not found anyone who does it.




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