The staggered splice method solves this by offsetting each connection point by approximately one to two inches. Key. To replace a pigtail connector, you must identify the wire functions, cut the existing harness at staggered intervals, and secure the new connector using heat-shrinkable splices to ensure a moisture-proof and vibration-resistant bond. Key steps. Fiber pigtail failures can lead to unexpected signal loss, link instability, and repeated maintenance. A visual check is often the first step when diagnosing a defective. Automotive connectors are crucial parts of contemporary cars that provide efficient power and data transfer between various electronic systems.