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.

Split charge relay wiring diagram.

Before starting the instillation the first thing you need to do is make a plan of where your. Fit the 2 fuses in the fuse holders. One should go in between the lead that goes from the starter battery to the split charge relay and one between the split charge. 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. Fit a fuse to one of these cables rated. Basic wiring diagram for split charge relay system 8mm page 1 6mm 6mm alternator 87 30 85 86 ignition warning light feed to d or l terminal on alternator ignition feed d o r. Existing wiring not shown for clarity.

To fit a split charge relay first connect a 16sqmm red cable from the positive terminals of each battery bank to the large studs on the relay labelled 87 and 30. With the screws provided attach fuse box 1 and fuse box 2 as close to the main starter. 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. This is how you can install your split charge relay.

In this episode paul and chris connect up the new auxiliary battery fitted to the l200 to the main battery using a split charge. Welcome to raptor s garage. Most kits will also come with the instructions so you should already have a ruff idea on what needs to be done. A super simple wiring diagram on how a split charge device directs power towards the leisure battery one it has been engaged.