Originally Posted by RoundOz
Generally a fuse should protect the whole circuit from shorting to the frame, so close to the battery and before the switch is best. As long as your wire and switch are rated for the amps you don't need a relay. (eg, a 10 amp switch and #14 wire should be heavy and physically robust enough for this small of a load. You could probably go smaller but won't save much money.
Thanks. I'll make sure to put it between the switch and the battery than. The rest of the diagram looks okay though?
The switch I have is rated to 30amps. I have an inline mini-blade fuse holder rated to 30 amps. I figured I'd use a 5 or 10 amp fuse since the lights are only 0.85 amp each. I already have 18ga wire, so I guess I'd just use that since they can handle roughly 16amps. Plus the wires from the lights look to be about 20ga, so that should work out fine, I would think. What do you think?