The E61-P1 Crank Input Harness is designed to connect the engine’s crankshaft position sensor to compatible Spitronics engine management systems. It ensures clean and stable crank signal transmission, which is critical for accurate engine speed detection, ignition timing control, and overall engine synchronization.

Built using automotive-grade wiring and durable connectors, this harness is engineered to perform reliably in demanding engine bay conditions, including exposure to heat, vibration, and electrical interference. The plug-and-play configuration simplifies installation, minimizes wiring complexity, and provides a professional, dependable solution suitable for both standard ECU installations and custom engine builds.