Motorcycle enthusiasts constantly look for ways to enhance their rides for better performance and improved aesthetics. One of the most popular upgrades is the installation of a power commander. It’s a device that optimizes the fuel-injection system to increase horsepower, torque, and throttle response. However, the wiring process can be overwhelming, especially for beginners. In this article, we’ll discuss everything you need to know about the Power Commander 5 wiring diagram.
What is a Power Commander 5?
Before we dive into the wiring process, let’s first understand what a Power Commander 5 is. It’s an electronic device that plugs into your motorcycle’s fuel-injection system to manage and optimize fuel delivery. It replaces factory settings, allowing you to adjust the air/fuel ratio on-the-fly for improved performance. The Power Commander 5 is suitable for both stock and modified motorcycles, and it’s compatible with most bike models.
How does a Power Commander 5 work?
The Power Commander 5 intercepts signals from the motorcycle’s throttle position sensor, intake air pressure/temperature sensor, and oxygen sensor to adjust the fuel maps. It also allows you to customize the ignition timing, idle speed, and rev limiter. The device can store multiple fuel maps, and you can switch between them easily using the handlebar-mounted switches.
Why install a Power Commander 5?
Here are some of the benefits of installing a Power Commander 5 on your motorcycle:
- Improved throttle response
- Increased horsepower and torque
- Smoother power delivery
- Better fuel economy
- Ability to fine-tune fuel maps for specific riding conditions
Power Commander 5 Wiring Diagram
The Power Commander 5 comes with a wiring harness that connects to various sensors and components on your motorcycle. The wiring may vary depending on your bike’s make and model. Therefore, it’s essential to refer to your motorcycle’s service manual and the Power Commander 5 installation guide for detailed instructions.
Here’s a sample wiring diagram for a Suzuki GSX-R750:
| Wire Color | Function | Power Commander 5 Wire |
|---|---|---|
| Brown | Ground | Black |
| Black/White | Ground | Black |
| Red | Key-on power | Red |
| Orange | Throttle position sensor (TPS) signal | Brown |
| Yellow | Intake air pressure sensor (IAPS) signal | Blue |
| Gray | Oxygen sensor (O2) signal | Green |
| White/Blue | RPM signal | White |
Step-by-Step Wiring Process
Here are the steps to follow when wiring your Power Commander 5:
- Read the service manual and Power Commander 5 installation guide for your motorcycle.
- Locate the necessary components, sensors, and wires on your motorcycle.
- Follow the wiring diagram to connect the Power Commander 5 to the sensors and components.
- Route the wiring harness neatly, avoiding hot and moving parts.
- Test the connections and make sure they’re secure.
- Mount the Power Commander 5 in a safe and accessible location.
- Test the fuel maps on a dynamometer or during actual riding conditions.
Power Commander 5 Frequently Asked Questions
Here are some common questions and answers regarding the Power Commander 5:
Q: Can I install a Power Commander 5 myself?
A: Yes, if you have basic mechanical and electrical skills, you can install a Power Commander 5 yourself. However, if you’re not comfortable with wiring and sensor connection, it’s best to seek professional help.
Q: Do I need a dyno to install a Power Commander 5?
A: No, it’s not necessary to have a dynamometer, but it’s highly recommended for accurate tuning. Without a dyno, you’ll have to rely on trial-and-error to fine-tune the fuel maps.
Q: Can the Power Commander 5 damage my motorcycle?
A: If installed and used correctly, the Power Commander 5 should not damage your motorcycle. However, improper installation or incorrect fuel mapping can cause performance issues or engine damage.
Q: Do I need to re-map my Power Commander 5 after installing aftermarket parts?
A: Yes, any modification to the air intake, exhaust, or engine will affect the air/fuel ratio, and therefore require re-mapping of the Power Commander 5.
Q: How many maps can the Power Commander 5 store?
A: The Power Commander 5 can store up to 10 different maps, and you can switch between them easily using the handlebar-mounted switches.
Q: Is the Power Commander 5 compatible with my motorcycle?
A: The Power Commander 5 is compatible with most motorcycle models and brands. However, you should check with the manufacturer or consult an expert to ensure compatibility.
Conclusion
Installing a Power Commander 5 can significantly enhance your motorcycle’s performance and rideability. However, it’s crucial to follow the installation instructions and refer to the wiring diagram for proper wiring. If you’re not confident in your skills, seek professional assistance. If installed and used correctly, the Power Commander 5 can provide years of improved performance and riding enjoyment.
