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CapeLandy



Member Since: 21 Jul 2008
Location: Cape Town
Posts: 558
South Africa 
Dual Battery Fuses
I have one 50 amp fuse between the main battery and the solenoid but was wondering if I should have another on the side of the second battery somwhere?

Any ideas?
Post #26832 14th Mar 2010 8:58pm
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JMS



Member Since: 05 Mar 2010
Location: Isle of Wight
Posts: 40
England 2011 Defender 110 Puma 2.4 USW Stornoway Grey
If you are running one as a starting battery and the other to run everything else i would have them both protected with 50amp fuses. Any electrical problem with the car will not be covered under the warranty if the electrical system is not protected. So the dealer told me... true or not? i didnt fancy taking that chance.
Post #26834 14th Mar 2010 9:28pm
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Depends How They're Wired!
As JMS stated if they are wired up independantly each one must have a fuse protecting the supply circuits - good electrical trade practice! If the batteries are parallelled off together to share the load only one main fuse is needed. Basically it depends on how they're wired and if they share the load or supply different circuits of their own! If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #26841 14th Mar 2010 10:38pm
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5038
United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
Not that i have looked at dual batteries on the defender. But on the disco the every feed has a fuse.

The main + feed to the distribution has a midi fuse (cant remember the rating) and its then off a board out to the other fused feeds Mike
Post #26842 14th Mar 2010 10:57pm
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