The solenoid at the bottom of the carburetor prevents backfiring by cutting fuel when the engine is off. It requires 12V to stay open while running. If you are not using the factory key switch, you must wire this to a switched power source so it "opens" when the ignition is on. 4. Safety and Kill Switch
: Many users remove the low oil sensor (yellow wire) because it can cause intermittent shutdowns if the engine is used on steep inclines or in high-vibration environments.
On the 670, the ignition system is a "floating ground" setup. The coil has two wires usually: one that goes to the oil sensor, and one that acts as the kill wire.
Driver installation package to use the Jaltest Data-Link vehicle communication interface (VCI) as RP1210 or PassThru (SAE J2534) diagnostics tool. predator 670 wiring