1. Black wire: This is the ground wire and connects to the negative (-) terminal of the battery.
2. Red wire: This is the power wire and connects to the positive (+) terminal of the battery.
3. Blue wire: This is the ignition signal wire and connects to the ignition coil.
4. Yellow wire: This is the tachometer signal wire and connects to the tachometer.
5. Green wire: This is the fuel injector signal wire and connects to the fuel injector.
