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Ohms Law for Light Amps Draw

March 08, 2011
Quick Tips
Ohms Law for light amps draw: Watts/Volts = Amps 100 Watts /12 Volts = 8.3 amps Double that number to find Amp draw on 2 light systems etc. You may want to swap in a more powerful alternator, especially if you want to light other accessories for night use.

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