To initiate starting, power from the battery must be sent momentarily to the black/white wire on the solenoid via a button or key switch.
for a custom application like a go-kart or a tractor repower? Predator 670 Wiring Diagram
This circuit typically uses a single black wire on each coil; grounding this wire stops the spark and shuts down the engine. Common Wiring Procedures To initiate starting, power from the battery must
| Switch Terminal | Wire | Function | |----------------|------|-----------| | (Battery) | Red (from battery or solenoid) | Constant 12V | | S (Start) | Blue | To starter solenoid trigger | | I (Ignition) | Orange | To fuel solenoid, sometimes regulator sense | | M (Magneto kill) | White/Red | To magnetos & oil pressure switch | | G (Ground) | Black | Sometimes not used (grounds internally) | Common Wiring Procedures | Switch Terminal | Wire
| Wire Color | Gauge | Function | Termination Point | | :--- | :--- | :--- | :--- | | | 10 AWG | Battery Positive (+) | Starter Solenoid (large terminal) | | Black | 10 AWG | Battery Negative (Ground) | Engine Block / Mounting Bolt | | Yellow (x2) | 14 AWG | AC Output (Lighting/Charging) | Voltage Regulator (input) | | Red (Thin) | 18 AWG | DC Charging Output | Voltage Regulator (output to battery) | | Green | 16 AWG | Ground for Kill Circuit | Low Oil Switch / Ignition Module | | Black/White | 16 AWG | Magneto Kill Wire (Stop circuit) | Ignition Keyswitch (M terminal) | | Brown | 18 AWG | Starter Trigger (Start signal) | Keyswitch (S terminal) to Solenoid small post | | Blue | 18 AWG | Fuel Solenoid (Anti-afterfire) | Keyswitch (Ignition ON) or Oil Alert module |