C5 Radio reception problem

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Nov 6, 2007 | 09:26 PM

The Punisher

Thread Starter

Melting Slicks

Joined: Oct 2006

Posts: 2,938

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From: hebron IL

C3 of Year Finalist (appearance mods) 2019

C5 Radio reception problem

I installed an aftermarket stereo and a universal antena adapter.Now my radio reception is bad. The stock unit worked great. Any ideas ? .I have an '00 coupe

Nov 7, 2007 | 12:26 AM

SilverC54me

Melting Slicks

Joined: Jul 2004

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From: Brea CA

There is an antenna amp in the C5 Coupe by the drivers side seatbelt retractor. Check out my post in this thread.

http://forums.corvetteforum.com/show....php?t=1850259

Also search the C5 FAQ for additional info.

Nov 11, 2007 | 08:33 AM

The Punisher

Thread Starter

Melting Slicks

Joined: Oct 2006

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From: hebron IL

C3 of Year Finalist (appearance mods) 2019

Quote:

Originally Posted by SilverC54me

I read your post.So exactly what did you do.Did you disconnect the pin wire or hook 12v to it? thanks

Nov 12, 2007 | 12:10 AM

SilverC54me

Melting Slicks

Joined: Jul 2004

Posts: 3,290

Likes: 477

From: Brea CA

There is a drk green wire in the harness behind the radio, this is the signal wire for the antenna amp. Applying 12V to this enables the amp. The wire is on connector C1 Pin 8. Connectors C1 and C2 are joined together.
Pin 6 on C1 is the 5V signal that switches to the front antenna.

I would recommend only to apply the 12V to Pin 8 of C1.

Here is the connector info.

Nov 12, 2007 | 07:02 PM

markcz

Tech Contributor

Joined: May 2003

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From: North Augusta, SC

More info for you here.

Nov 12, 2007 | 10:03 PM

The Punisher

Thread Starter

Melting Slicks

Joined: Oct 2006

Posts: 2,938

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From: hebron IL

C3 of Year Finalist (appearance mods) 2019

i will try putting 12v to the dark green wire

Nov 12, 2007 | 11:25 PM

pentavolvo

Le Mans Master

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From: Dyer IN

Cruise-In IX Veteran

you need to read that thread and apply the 5 volts to that other wire as well for the best reception

Nov 12, 2007 | 11:26 PM

SilverC54me

Melting Slicks

Joined: Jul 2004

Posts: 3,290

Likes: 477

From: Brea CA

That is the thread that I could not find.

Gary

Quote:

Originally Posted by markcz

More info for you here.

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Nov 12, 2007 | 11:31 PM

SilverC54me

Melting Slicks

Joined: Jul 2004

Posts: 3,290

Likes: 477

From: Brea CA

Quote:

Originally Posted by pentavolvo

you need to read that thread and apply the 5 volts to that other wire as well for the best reception

I am running with only 12V applied to the Green wire. In my area (Orange County CA) that gives me the best reception. I tried it with the 5V applied and had better but drifting FM and still no AM. With just the 12V applied FM does not drift. If you apply 5V to the Pink wire AM reception will non existent.

Gary

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