Cargo Split Charge Relay Wiring Diagram

A super simple wiring diagram on how a split charge device directs power towards the leisure battery one it has been engaged.

Cargo split charge relay wiring diagram.

A typical campervan split charging system has a device that connects the battery used to start the engine to the leisure battery when the engine is running. Ensure that both battery banks and the alternator share a common negative connection. This system uses a heavy duty version of a simple make and break relay the coil of which is energised by a signal that is only 12v when the engine is running usually the charge signal wire from the alternator. Make sure to read out our full article where we cover all different split charge methods available for a campervan.

If not run substantial cables to connect the negatives. Existing wiring not shown for clarity. Instillation guide for a 12v voltage sense split charge relay system thank you for purchasing this kit from simply split charge. I have left boxes on the diagram on the left to help you with your measurements.

The brown pin 5 in most cases is not used when wiring tow bar electrics and it is important to ensure that the white pin 3 cable is earthed. Have a look at the diagram above to see the basic wiring diagram of your voltage sensed split charge kit. To fit a split.