Pairing a Comma 4 with a dash camera (the Thinkware U3000)

CarDreams

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I have a Thinkware U300. I want to get a Comma 4, but I am concerned about connecting both to the Mach-E's OBD-II port. I dont know if this is possible or if it would cause a conflict, since the Comma system requires a clear, uninterrupted stream of high-speed CAN bus networks to handle lane centering and radar cruise and the Thinkware U3000's advanced radar and power management systems occasionally monitor the vehicle's data lines (CANBUS) to determine ignition state or vehicle status.

Would a splitter work (like an OBD-II Y-cable where one female tail has all 16 pins wired (for the Comma device), and the second female tail has only pins 4/5 (Ground) and pin 16 (12V Constant Power) connected?
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