Split Charge Relay Wiring Diagram

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 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. Basic wiring diagram for voltage sense system 2 1 3. In this episode paul and chris connect up the new auxiliary battery fitted to the l200 to the main battery using a split charge. 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.

Before starting the instillation the first thing you need to do is make a plan of where your. Fit a fuse to one of these cables rated. 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. 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.

A super simple wiring diagram on how a split charge device directs power towards the leisure battery one it has been engaged. Existing wiring not shown for clarity. Fit the 2 fuses in the fuse holders. With the screws provided attach fuse box 1 and fuse box 2 as close to the main starter.

Ensure this cable is thick enough to carry the maximum charging current of your alternator. The relay will then switch in the alternator feed to the leisure battery to let it charge just like the vehicle starter battery. Welcome to raptor s garage. This is how you can install your split charge relay.