THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT ARE FOUND TO HAVE A BACK-UP ALARM INOPERATIVE DURING THE PRE-DELIVERY INSPECTION. ON TRUCKS EQUIPPED WITH THE BACK UP ALARM REGULAR PRODUCTION OPTION CODE (8S3), THE ALARM WILL BE INTENTIONALLY LEFT DISCONNECTED FROM THE ASSEMBLY PLANT. TECHNICIAN WILL REROUTE THE HARNESS AND PLUG IT IN.