Magneti Marelli EFI Relay

Part Number E2211 Replacement relay designed specifically for motorcycles equipped with the Magneti Marelli EFI system that are being upgraded with a ThunderMax ECM. This modified closed-circuit relay ensures proper system operation and compatibility between the Marelli wiring harness and the ThunderMax control module.  Key Features: Modified “closed” relay configuration tailored for Marelli EFI systems with ThunderMax ECM.  Plug-and-play form factor designed to replace the factory “ECM Power Relay” in Marelli-equipped bikes.  Ideal for 1999-2001 Marelli EFI Harley-Davidson® models (and other compatible Marelli harness bikes) Compatibility & Install Notes: Use when replacing the ECM on a Marelli-controlled EFI motorcycle with a ThunderMax ECM to guarantee proper relay operation. During installation: disconnect battery positive first, remove the existing ECM power relay, then install the E2211 relay in the stock relay location.  Confirm harness compatibility and ensure the r