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1997 c5 corvette No comms to BCM

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Old Feb 23, 2023 | 12:18 AM
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Default 1997 c5 corvette No comms to BCM

Need help!! I installed a new Stereo head unit in my 1997 c5 corvette and now the dash and everything comes up as normal but when you try to start nothing.
I have tested ignition switch.
key is sending correct info out of lock cyl.
Can send power to anti theft relay (purple and white wire) and engine will start and die so i know the starter is good.

Anything would help thanks.

What would cause loss of comms to bcm just from chaning a radio head unit???
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Old Feb 23, 2023 | 02:45 AM
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Moved to C5 Tech.
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Old Feb 23, 2023 | 03:46 AM
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did you try to remove the new stereo and install the old one back?
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Old Feb 23, 2023 | 10:32 AM
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Maybe you blew one of the BCM fuses in the passenger side foot-well
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Old Feb 23, 2023 | 10:55 AM
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Removed stereo! I don’t have a stock one to put into it as car had after market when I got it.

No blown fuses everything has voltage where it needs to be!
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