I found information about this topic all over the place.
I wish there was one thread with all the info. So, here is my
experience in this install.
Blue Sea Fuse box 5025
cost: $39.99
30 amp relay $6.00
The box is a little big but it fits under the seat.
Velcro pad base in the pic.
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12 gauge wire used to do wiring from battery to relay and relay to fuse box.
Tap into the rear lights for the switched power line to the relay.
This is the wiring diagram.
Fusebox_install.jpg
Wires added to fuse box...
red circle on the right indicates the wire I tapped into for the switched power line to the relay.
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battery connections done...
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Relay installed (see red circle) and wired per diagram above.
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All done.
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