This solenoid valve coil provides the electromagnetic force needed to shift the spool in the PTO control valve. It converts an electrical signal into a linear mechanical action that opens or closes the hydraulic circuit governing the PTO clutch engagement. When the coil fails, the PTO may not engage, may engage intermittently, or may fail to disengage. The coil is wound to match the original assembly's resistance and magnetic flux, ensuring the valve spool reaches its full stroke at the correct current. On installation, verify the connector seals are clean and the coil is fully seated on the valve stem to avoid air gaps that reduce magnetic force.