ECU For HS 500ATV 39200-113E-0000

Function: Acts as the ECU (Engine Control Unit) to coordinate throttle position, crankshaft signals, and oxygen feedback, ensuring steady air-fuel ratio and ignition mapping, eliminating rough idle or stalling from corrupted logic, and restoring suitable engine work when replacing shorted or water-damaged units that cause no-work conditions. Specification: Manufactured to 36-pin dual configuration, ~90mm mounting hole spacing, and 12V operating voltage to align precisely with existing HS500ATV wiring harnesses without splicing or modification, ensuring stable data communication with sensors and actuators for accurate closed-loop control. Swap: Direct ECU replacement into the mounting bracket (commonly under seat, behind side panel, or in rear storage); always disconnect the battery negative