cowasaki
Well-Known Member
There is an example of a dual battery setup in my electrical tutorial:
http://www.landyzone.co.uk/lz/f38/tutorial-car-electrics-245168.html
The way I do it is to take the live feed from the 2nd battery and take this to a 4 fuse common live fuse box. Then use one of these feeds to the input of a relay switched by the original ignition live and on to a second 6/10/12 fuse common live fuse box. You now have 3 permanent lives from your yellow battery and 6/10/12 ignition lives. I then feed the interior light from a permanent live off the 2nd battery, all the work lights, stereo, cigarette lighter etc. If you are using a winch this would go before the new fuse boxes. Using the above setup means that it doesn't matter if you leave things on, the car will always start.
http://www.landyzone.co.uk/lz/f38/tutorial-car-electrics-245168.html
The way I do it is to take the live feed from the 2nd battery and take this to a 4 fuse common live fuse box. Then use one of these feeds to the input of a relay switched by the original ignition live and on to a second 6/10/12 fuse common live fuse box. You now have 3 permanent lives from your yellow battery and 6/10/12 ignition lives. I then feed the interior light from a permanent live off the 2nd battery, all the work lights, stereo, cigarette lighter etc. If you are using a winch this would go before the new fuse boxes. Using the above setup means that it doesn't matter if you leave things on, the car will always start.
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