Morning all. I'm going back to the boat probably today with a clearer mind, I hope.
So, if the starter motor is faulty and not charging to the correct voltage, the splitter/VSR will not then be able to switch the charging to the leisures?
I have been an idiot. When I installed the new batteries I failed to connect the negative cable between the starter battery and the leisures. I took a photo, laid everything out carefully and took my time to reinstall. Everything now appears to be charging up normally again. I will still fit the new splitter very soon.
Thank you again for all the advice. Despite being the idiot, it was good to get stuck in and learn about things about my boat for the future.
So yes, the splitter is outputting 14v+ to the starter and about 10.11v to the leisures. I have the new splitter here which I could change now but because a new one was installed previously I'm beginning to think cabling?
On second thoughts there is no cabling involved?
Or on second look I should say.
14v + into the splitter.
When taking the reading from the splitter output to the leisures I get a reading of 10.16v. (Assuming I am correct in putting the ammeter negative on the leisure battery?)
I guess this is 'supposed' to read at least 12v after running the engine for 3 or 4 hours yesterday, 2 today, not using the invertor and with minimal 12v appliances?
I did a trip today with the engine running for 3 or 4 hours so when I go back to the boat in a couple of days time I will take some readings with my multi meter.
I've fitted the new batteries and everything is working fine at the moment. (Splitter has also arrived and ready to fit) Thank you for all the help.
New question. This water pump is noisy and seems to be switching on and off. Does this indicate faulty pump, poor water flow into pump, or would an accumulater solve the problem?
Would three of these be ok?
https://www.ebay.co.uk/itm/Varta-LFD60-Leisure-Battery-12V-60Ah-Dual-Purpose-for-Caravan-Boat-Motorhome-/254811399919?_trksid=p2349624.m46890.l49286
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