Product descriptionSize:Male AdapterProduct Details:* Condition: * Material: Plastic* Compatible: German cars like Mercedes-benz and others.User Instruction:1: If you meet the faults of audio and navigation systems, audio don't work, navigation is often broken and always blank screen, it may be caused by damage of the telephone module.2: Please find the optical fiber head of telephone module and pull it out, and connect optical fiber loop to cancel the phone function, so that can resume work.3: The modules connected on a vehicle M.O.S.T ring include: Changer, Video Display, GPS Navigation, Mobile Phone, Bluetooth-compatibletooth, Voice Recognition, Amplifier and Digital/FM/AM Tuner.4: If you wish to remove one of these modules from the fiber optic ring for repair or fault diagnosis you will require this male Tyco (TE) connector / adapter and fiber optic bypass loop cable to close the M.O.S.T ring and maintain the integrity of the remaining modules on the ring. Package include:1pc MOST Fiber Optical Optic Loop Bypass Male Adapter