Onan 4000 Rv Generator Wiring Diagram

By | April 20, 2023

The Onan 4000 RV generator is a popular choice for RVers looking for a reliable and powerful source of backup power. This generator is capable of generating up to 4,000 watts of continuous power, making it ideal for powering a variety of appliances and devices in your RV.

In this article, we will provide you with a detailed wiring diagram for the Onan 4000 RV generator. This diagram will show you how to connect the generator to your RV's electrical system, so that you can safely and efficiently use it to power your appliances.

Before we get started, it is important to note that you should always consult with your RV manufacturer's manual before connecting a generator to your RV's electrical system. The following instructions are provided for informational purposes only, and we cannot be held responsible for any damages that may occur if you do not follow them correctly.

Step 1: Identify the correct wiring terminals on your generator

The Onan 4000 RV generator has a number of different wiring terminals, each of which is used for a specific purpose. It is important to identify the correct terminals before you begin connecting the generator to your RV's electrical system.

The following is a list of the most important wiring terminals on the Onan 4000 RV generator:

  • AC Output: This terminal is used to connect the generator to your RV's electrical system.
  • DC Output: This terminal is used to connect the generator to a DC power source, such as a battery.
  • Starter: This terminal is used to start the generator.
  • Run: This terminal is used to keep the generator running.
  • Ground: This terminal is used to ground the generator.

Step 2: Connect the generator to your RV's electrical system

Once you have identified the correct wiring terminals on your generator, you can begin connecting it to your RV's electrical system.

To do this, you will need to use a heavy-duty extension cord to connect the generator's AC output terminal to your RV's main power panel. The extension cord should be long enough to reach from the generator to the RV's power panel.

Once the extension cord is connected, you can turn on the generator and start using it to power your RV's appliances.

Step 3: Connect the generator to a DC power source

If you want to use the generator to charge your RV's batteries, you will need to connect it to a DC power source.

To do this, you will need to use a battery charger to connect the generator's DC output terminal to your RV's batteries. The battery charger should be rated for the same voltage as your RV's batteries.

Once the battery charger is connected, you can turn on the generator and start charging your batteries.

Step 4: Start the generator

To start the generator, you will need to turn the key switch to the "On" position. The generator will then start up and begin producing power.

Step 5: Keep the generator running

Once the generator is running, you will need to keep it running in order to provide power to your RV's appliances.

To do this, you will need to turn the run switch to the "On" position. The generator will then continue to run until you turn the run switch to the "Off" position.

Conclusion

The Onan 4000 RV generator is a powerful and reliable source of backup power for your RV. By following the steps in this article, you can easily connect the generator to your RV's electrical system and start using it to power your appliances.


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