The Fuel Management Wiring Harness uses signals from the EDC and regulates fuel speed and how much fuel should be injected. This direct replacement wiring harness features a wire loom and heat wrap to protect the wires. Product Features:Replacement protects against potential engine damage and restores drivabilityA necessary item for safety compliance - required for state inspectionPlug and play design for ease of installationThis part has undergone vehicle try-on testing to meet product standards and quality