7 RV Blade Wiring Diagram: A Complete Guide

RVs are an excellent way to hit the road, explore new places, and create endless memories. However, to enjoy a comfortable and hassle-free ride, you need to ensure that all your RV’s electrical components are wired correctly. One of the most critical aspects of RV wiring is the 7 RV blade wiring diagram. In this article, we will explain everything you need to know about this wiring diagram.

What is a 7 RV Blade Wiring Diagram?

A 7 RV blade wiring diagram is a wiring configuration that connects the tow vehicle’s electrical system to the RV. It consists of seven pins that provide electrical connections for various purposes, such as powering trailers brakes, turn signals, reverse lights, and tail lights. This wiring diagram is commonly used for fifth-wheel and larger travel trailers, utility trailers, and boat trailers.

However, it’s essential to note that the 7 RV blade wiring diagram is not universal. Different RV manufacturers may use different wiring diagrams depending on the make and model. Therefore, it’s crucial to confirm the wiring diagram that matches your RV manufacturer’s specifications.

Components of a 7 RV Blade Wiring Diagram

A 7 RV blade wiring diagram consists of seven pins, which provide connections for the following electrical components:

Pin No. Usage
1 Left turn signal and brake lights
2 Reverse lights
3 Ground
4 12V Battery charging
5 Right turn signal and brake lights
6 Brake controller output
7 Running lights

In addition to the pins, a 7 RV blade wiring diagram typically includes two-color codes: brown and green. Brown is the designated color for running lights, while green is typically used for right and left turn signals, reverse lights, and brakes.

How to Wire a 7 RV Blade Diagram?

Wiring a 7 RV blade diagram is not complicated, but it requires some basic electrical wiring knowledge. Here’s a step-by-step guide to wiring a 7 RV blade diagram:

Step 1: Gather Required Materials

Start by gathering all the required materials. You’ll need a 7 RV blade plug, wire strippers, electrical tape, and electrical connectors.

Step 2: Prepare the Wires

Strip the insulation off the wires for about ½ inch. Then, twist the strands together to make sure they are secure and prevent them from fraying.

Step 3: Connect the Pins

Insert the prepared wires into their corresponding pins. Then, crimp the pins using electrical connectors to ensure a secure connection.

Step 4: Insulate the Connections

To prevent accidental short circuits, wrap insulated electrical tape around each connection and the entire wire harness.

FAQs

1. Can I Change the Wiring Diagram on My RV?

Yes. However, we recommend consulting with an experienced RV electrician before attempting to change any wiring diagrams. Changing the configuration without proper knowledge can create safety risks and damage to your RV’s electrical system.

2. What Happens if I Don’t Follow the 7 RV Blade Wiring Diagram?

Not following the 7 RV blade wiring diagram can lead to a wide range of issues, including trailer brakes not functioning, turn signals not working, or even reversing lights failing. Additionally, incorrect wiring can cause damage to your RV’s electrical system and potentially create safety hazards.

3. Can I Use an Adaptor to Connect My RV to a Different Wiring Diagram?

Yes, you can use adaptors. However, make sure they match your RV’s wiring diagram and the tow vehicle’s wiring diagram. Also, ensure that the adaptor is rated for the higher amperage of the 7 RV blade wiring diagram.

4. How Often Should I Check My RV’s Wiring Diagram?

We recommend checking your RV’s wiring diagram regularly, at least once a year, or before every long trip. Regular checks can help identify any potential wiring issues before they cause damage or safety hazards.

5. Can I Install a 7 RV Blade Wiring Diagram on a Small Trailer?

While 7 RV blade wiring diagrams are typically used for larger trailers, you can still install them on small trailers. However, make sure the wiring diagram is compatible with your trailer’s electrical system and that you use the correct gauge wire for the trailer’s size.

Conclusion

Wiring your RV correctly is crucial for ensuring your safety, comfort, and hassle-free experience. A 7 RV blade wiring diagram is a standard wiring configuration used for many larger trailers, utility trailers, and boat trailers. In this article, we’ve explained everything you need to know about this wiring diagram, including its components, how to wire it, and FAQs. Remember, if you’re not comfortable wiring your RV, consult with an experienced RV electrician.