Caravan Split Charge Relay Wiring Diagram

Many people wire their campervan piecemeal they start with a habitation area battery then add a split charge relay.

Caravan split charge relay wiring diagram.

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. I am updating the caravan wiring as per your diagram above. Is there any point in leaving the split charge relay there as this circuit will only be powering the fridge. In some cases a split charge relay might be needed in order for the power to switch divide from charging a leisure battery and the car battery.

Each item tends to have it s own wiring switches fuses and control so by the end of. Then a mains charger then lights gas heater blower controller water pump power monitoring solar charging of the habitation battery etc. Straightforward to fit the smart split charge relay provides power to the caravan s 12 volt supply battery charging and refrigerator via a towbar s 12s or 13 pin socket socket not included. Heavy duty split charge kit with 12v m power 140amp voltage sense relay 110amp 16mm2 cable top quality heavy duty split charge relay system kit supplied with 110amp 16mm cable suitable for safely charging any 75ah to 220ah leisure battery s suitable to install into most camper vans motor homes 4x4s day vans mobile workshops cars and.

A super simple wiring diagram on how a split charge device directs power towards the leisure battery one it has been engaged. Campervan split charging a helpful ilrated guide vanlife deep red self build motorhome electrics eo 2497 charge relay wiring diagram dodge brake light ve 1007 leisure battery ls 4313 in system land rover zone caravan camper exploroz articles towbar information diagrams malcolms cg 0742 zig unit cf8 12v electrical installation and campervan split charging a helpful ilrated guide read more. Split charging relay smartcom voltage sensing the traditional method for split charging is to take a wire from the ignition to energise a relay when the engine is running. The relay will then switch in the alternator feed to the leisure battery to let it charge just like the vehicle starter battery.

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.