In some cases, the factory injector connector that connects to the valve cover harness can either become loose or corroded. Don't waste your time trying to repair a damaged connector, just replace it with the Fleece Performance Fleece Performance Injector Connector Pigtail. This connector includes heat-sealable butt-style connectors and are produced in house at Fleece Performance. Fleece's manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly.