Ok, so planning to put some lights up on my roof rack. Be 18w led bars, two at the rear and possibly one pointed to each side of the car. So 4 in total. Looking at how to run the wiring I am thinking I could use a 5 core trailer wire, treat 4 wires as a positive, and the 5th as a common earth coming back to the battery.
So if my calculations are correct (I am an accountant so *of course they are correct*) 18w will pull 1.5 amps.
Supercrap have 5 core they say is 15amp, yet the narva is only rated at 5amp. Either way would there be an issue using trailer wire? I'm thinking it allows me only to have to run one small cable to the roof, which I can split off against each light. At the battery end I will wire in individual switches then wire to the second battery (fused of course, possibly 5amp fuse each depending on which wire I get)
Thoughts? Possible? Issues? Alternative options?
So if my calculations are correct (I am an accountant so *of course they are correct*) 18w will pull 1.5 amps.
Supercrap have 5 core they say is 15amp, yet the narva is only rated at 5amp. Either way would there be an issue using trailer wire? I'm thinking it allows me only to have to run one small cable to the roof, which I can split off against each light. At the battery end I will wire in individual switches then wire to the second battery (fused of course, possibly 5amp fuse each depending on which wire I get)
Thoughts? Possible? Issues? Alternative options?
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