I had a rodent crawl into up into my engine and chewed up the wiring for the lock buzzer. It bite off the wires at the large conduit under the brake booster to the point I cannot splice in a new wire. Luckily that was the only thing it got to. Where would the wiring harness be for the lock buzzer so I can run a new wire to it? It looks like it runs through the firewall and branches out throughout the interior. This is for a 2007 IS250 with nav.

 

what i would do is remove fender skirt on drivers side of car and find the buzzer/beep beep devise. look at the colors of the wires and then go into the car and find them at the grommet entry point from firewall. pull them into the interior one at a time, since they are eaten should just come through easy and then you should have enough length to solder a new set of wires on to them, run them back out engine bay and then run them into the area that the buzzer is located and solder your new wires to that.

i hope this will help you.

 

Thanks for the suggestion! Just gave it a try and I got lost in the sea of wires. I found 3 wires the look just like the ones bitten off. Tried giving them a pull and none of them would budge. I don't want to force it and cause more problems.