Product description Size:Female Adapter Product Details: * Condition: brand new * Material: Plastic * Compatible: German for cars like for Mercedes-benz and others. User Instruction: * If you meet the faults of audio and navigation systems, audio don'for t work, navigation is often broken and for always blank screen, it may be caused by damage of the telephone module. * Please find the optical fiber for head of telephone module and pull it out, and connect optical fiber loop to cancel the phone function, so that can resume work. * The modules connected on a vehicle for M.O.S.for T ring include: Changer, Video Display, GPS Navigation, Mobile Phone, Bluetooth-compatibletooth, Voice Recognition, Amplifier and Digital/FM/AM Tuner. * If you for wish to remove one of these modules from the fiber optic ring for repair or fault diagnosis you will require this female Tyco (TE) connector / adapter and fiber optic bypass loop cable to close the for M.O.S.for T ring and maintain the integrity of the remaining modules on the ring. * It can also be used to diagnose faults by systematically removing modules from the ring and inserting this adapter loop to bypass the module. Package Includes: 1pc Optic Loop Bypass Female Adapter