What is a 7 Flat RV Plug and Its Wiring Diagram
A 7 flat RV plug is the standard connector found on the rear of most tow vehicles and the front of many travel trailers and campers. It's responsible for transmitting power and signals from the vehicle to the RV for various functions. Think of it as the central nervous system for your towing setup. The 7 flat RV plug wiring diagram is a visual representation of how each of the seven pins within that plug is connected to specific circuits. This diagram is vital for anyone who needs to install a new plug, troubleshoot existing wiring, or even upgrade their RV's electrical system. The seven pins on a 7 flat connector are designed to carry different electrical signals. These include:- Tail/Running Lights
- Left Turn Signal
- Brake Lights
- Right Turn Signal
- Reverse Lights
- 12V Battery Power (for charging the RV battery while towing)
- Ground
| Pin Number | Function |
|---|---|
| 1 | Left Turn/Stop (Yellow) |
| 2 | Running Lights/Tail Lights (Brown) |
| 3 | Ground (White) |
| 4 | Right Turn/Stop (Green) |
| 5 | Trailer Brakes (Blue) |
| 6 | Reverse Lights (Purple) |
| 7 | 12V+ Battery (Black) |