Connections are wired straight through 7 pin to 7 pin catering for the common lighting and brake circuits. 

FEATURES
- 12 Pin Flat to 7 Pin Flat 
- No more worries about whether your tow vehicle will match up to your Van or Trailer
- No wiring required. Just plug in. This handy adaptor is used to convert your existing trailer plug easily
- Tough and waterproof housing- It is made of premium quality ABS materials
- Operating Voltage: 12 Volt