On the underside of the ignition, you will find the indicator that the key is in the ignition. It is a small electric plug. Hence, if you unscrew it from the ignition assembly, it will no longer cause the beeping when your key is in the ignition and the door is open.
First, you will have to remove the lower dash to expose the ignition assembly. If my memory serves me correctly, you will see a small black wire and plug secured by a phillips screw to the underside of the assembly. Simply unscrew the plug and leave it hanging. That's it.
There is not just one wire you can remove from the ignition to kill the buzzing.
The Black/white wire connects to the under dash fuse box and the starter relay... from there it runs to things like the shift position sensor and the starter solenoid, and most importantly, the ICU.
The ICU (integrated controll unit) is located behind the under dash fuse box and that is where the buzzer is located. The ICU controls alot of stuff in the car, from the interior and exterior lights to the wiper speed, to the door switches and windows.
the ICU is very hard to get to and its not worth the troubles to stop the door open chime.
The buzzer is in the ICU. its built into the "lights on" circut in the ICU. You would have to go into the ICU and physically remove the buzzer from the circiut. Not worth the troubles.
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