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n54e30t n54e30t is offline
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Default Bench flash firmware - 09-28-2020, 05:46 PM

Hey Guys,

Just wondering if its possible to bench flash the jb4.

Reason being is someone wants me to send them the jb4 pre-flashed and configured.

I assume i can power it with 12v to the power wire and ground through the black wire on large black subconnector.

Does anything else need to be connected?

Thanks
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Ancient8989 Ancient8989 is offline
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Default 09-28-2020, 06:00 PM

Do you mean update or change the JB4 firmware? Just use the USB. If you mean something else I'm confused.
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n54e30t n54e30t is offline
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Default 09-28-2020, 06:11 PM

Wasn't sure if it will power up using just the usb cable.
The jb4 isn't installed in a car.
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n54e30t n54e30t is offline
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Default 09-29-2020, 05:59 AM

Confirm that supplying 12v to power and ground through black ground wire on large black subconnector is enough to power the jb4 on the bench to enable updating firmware.
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