TheBeastie Posted July 6, 2008 Share Posted July 6, 2008 I have now completed (I think) the battery box and split charge installation but wonder how I can check that all is working properly. I suppose destructive principles would suggest that if neither battery runs flat then it is working but I would prefer something more pro-active. I wondered about measuring resistance across the two battery connectors on the split charge relay. I reckon there should be 0 when engine off but high when it is running but wondered if there is a better test to confirm it is all operating as expected. Any suggestions would be most welcome. Thanks Quote Link to comment Share on other sites More sharing options...
western Posted July 6, 2008 Share Posted July 6, 2008 take a engine off voltage reading from each batt, then start the engine & let it idle for a few minutes then take another reading of each batt, the 2nd readings should slightly higher IIRC. Quote Link to comment Share on other sites More sharing options...
TheBeastie Posted July 6, 2008 Author Share Posted July 6, 2008 Thanks. Is it OK to simply stick a multi-meter on DC-V setting across a battery? I have never been quite sure. Also I realised my electricals have not yet got to joined up thinking - the resistance should be near 0 when the relay is allowing current to flow (engine running) and high when the relay is preventing flow (engine off) Quote Link to comment Share on other sites More sharing options...
western Posted July 6, 2008 Share Posted July 6, 2008 Yep, won't hurt the battery or multimeter at all.just make sure the meter is on 12v & above selection Quote Link to comment Share on other sites More sharing options...
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