Instead of cutting and splicing at the device end, you cut the old connector off, strip the wires, and crimp/solder the pigtail's wires to the vehicle's wires. How it works in vehicle cables: Provides a secure, insulated connection. A pigtail in electrical wiring is a short length of conductor used to transition from a bundle of multiple circuit wires to a single termination point, such as a device terminal or fixture connection. These short wire segments solve space constraints in junction boxes by creating a central hub. It is used to join electrical components quickly and reliably. You can continue this daisy-chaining of shield grounds to a single pigtail wire for as many. A corroded or broken connector can disable a sensor, overheat a circuit, drain the battery, or force replacement of an otherwise serviceable wiring harness.
[pdf] To perform an OTDR test correctly, you must: 1. Set core parameters (Wavelength, Distance, Pulse Width); 4. Run the test (Real-time or Average); 5. An Optical Time Domain Reflectometer (OTDR) is the most powerful tool for characterizing fiber optic networks. It works like "radar for fiber optics," sending light pulses down the fiber and analyzing the reflected light to measure loss, locate faults, and verify installations. This guide dives deep into OTDR technology, its applications, and how it integrates with modern components like optical transceivers. This is mandatory during the installation/fiber acceptance test processes and also during troubleshooting tasks. Later, comparisons can be made.
[pdf] 
