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.
Lucas split charge relay wiring diagram.
Landroverweb com ing a basic split charge system and relay lw 4808 car battery charger schematic diagram get free image lz 7649 lucas wiring difflock view topic isolation go 9490 nagares acr alternator mw 8513 towbar 7 twin batteries in 90 300tdi defender forum.
If you have a lucas alternator with a 3 contact plug one small for the warning light and 2 large for each battery.
Lucas relays normally open.
Have a look at the diagram above to see the basic wiring diagram of your voltage sensed split charge kit.
Voltage sensitive split charge relay.
I have left boxes on the diagram on the left to help you with your measurements.
Split charge relays 39ra lucas relays.
3 4 28ra j audi british leyland citroën daimler benz hhf.
View replies 1 latest.
Keep cable runs as short as possible particularly main charging leads.
Instillation guide for a 12v voltage sense split charge relay system thank you for purchasing this kit from simply split charge.
C using the cable sizes specified connect the 33ra relay as shown in the diagram.
Ensure insulation sleeves are.
Lucas split charge relay wiring diagram.