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.
Brocott split charge relay wiring diagram.
Have a look at the diagram above to see the basic wiring diagram of your voltage sensed split charge kit.
The relay will then switch in the alternator feed to the leisure battery to let it charge just like the vehicle starter battery.
Instillation guide for a 12v voltage sense split charge relay system thank you for purchasing this kit from simply split charge.
This is how you can install your split charge relay.
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.
Select sub category 12volt 180amp 2mtr voltage sensing split charge relay kit 110amp cable.
Most kits will also come with the instructions so you should already have a ruff idea on what needs to be done.
One should go in between the lead that goes from the starter battery to the split charge relay and one between the split charge.
Fit the 2 fuses in the fuse holders.