The video tutorial demonstrates the depin and repin method for repairing automotive wiring harness connectors, specifically pigtails. A pigtail connector is a small wire that makes a big difference. These connectors can be a big help when you need to connect two wires, repair damage, or extend a. In this step-by-step guide, we will explore the process of replacing a pigtail connector. Mouser offers inventory, pricing, & datasheets for Pigtail Connectors. Built for techs, trusted by shops, wiring parts shouldn't slow you down. In fiber optics, pigtails are fusion-spliced to field fiber inside splice trays — the most common termination method in telecom and data center networks.