Features:Fiber coloane diagnostics to help you quickly find the point of failure, regardless of the motherboard transceiver problems, or connected to the light problems.Optical Fiber Loop can delete or add individual automotive equipment which does not affect the car fiber-optic network.Bluetooth phone module was often damaged when opening stereo, the sound went intermittently, sometimes no with no sound, the fiber head of the phone module can be pulled out, connected to the fiber loop, deactivate the Bluetooth phone function, audio immediately returns to normal.User Instruction:1: If you meet the faults of audio CD and navigation systems, audio CD 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: CD Changer, Video Display, GPS Navigation, Mobile Phone, Bluetooth, 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 female 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.Specification:Suitable for cars such as BMW, VW, Mercedes Benz, Audi, PorscheCore diameter: ?1Attenuation: 180dB/kmOperating temperature: -55?-+85?Material: PlasticColor:orangeNote:Please allow 1-10mm deviation due to manual measurement.Due to light and screen difference, the item's color may be slightly different from the pictures.Please note that this connector will only bypass standard MOST connections. Some manufacturers (mostly BMW and Mercedes) use proprietary connectors on som