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I have yet to wire the smart split charge stuff, hence the manual connection.
Is there any easy way to check the size of the alternator?
atk-
When I had the alternator in the (diesel) Renault Grand Espace last year, (at age 15), it had a big sticker on the side with the rating. (Turned out to be the alternator used by the vans, Renault/Nissan/GM produced, in the UK, at the old Isuzu plant in Luton).
Of course, have now forgotten its output.
Do you have ready access to your alternator?
mespilus
The split charge system should stop current flowing from the cranking battery to the leisure side when the engine's off or the cranking battery's low. Shouldn't have to manually disconnect it. If your alternator is undersized and the fridge is way above target temperature, there might not be enough left to charge the leisure battery.