The M73_P3 Output Harness is designed to connect compatible Spitronics engine management systems or Transmission Control Units (TCUs) to a range of external output devices such as actuators, solenoids, relays, or control circuits. It ensures stable and accurate signal transmission from the control unit, supporting correct operation of engine, transmission, and auxiliary vehicle systems.

Manufactured using high-quality automotive-grade wiring and durable connectors, this harness is engineered to withstand demanding automotive environments, including heat, vibration, and electrical interference. Its plug-and-play configuration simplifies installation, reduces wiring complexity, and provides a clean, professional solution suitable for both workshop installations and custom performance or transmission control applications.