Seat belt interlock experts, where are you?

Get under the hood and look for the reset box. It's about the size of a horn relay with a "used to be" red reset button, likely over by the ignition box/ start relay. There are two "yellowish" wires. Connect them permanently. Now try pulling all the seat connectors. If that doesn't "kill" the noise, unplug the big box under the dash
If I understood correctly he isn’t trying to bypass the system. He actually wants it to work properly and is annoyed that it doesn’t.