The Hummer H3 Inline Connector 6188-0798 Repair Kit is a specialized product designed for repairing a specific type of inline connector in Hummer H3 vehicles. It is suitable for individuals looking to address connectivity problems in their Hummer H3 vehicles and is a practical solution for maintaining the functionality of the vehicle's electrical system.
 
In the technical literature this connector is known as X102, X115, X125, X150, C102, C125 and others.  It is used as an interconnect between vehicle wiring harnesses.  It comes with all terminals and cable seals to populate the entire connector.