Collection: MaxxECU Wiring Harnesses
Premium Tefzel (ETFE) Mil-Spec wiring harnesses for MaxxECU. Built from MIL-W-22759/16 aerospace-grade wire with shielded twisted-pair trigger and knock circuits, and AWG sized to exceed the ECU's own specification. Rated to 150°C — engineered for motorsport and high-performance street builds. Select your MaxxECU model below.