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I installed a pair of relays to switch my headlights on and off, and to switch between high and low beam, and gained 1.2 volts in low beam and and 1.7 volts on high beams, running a nice fat wire directly from the battery. The headlights are noticeably brighter.
Everything is still controlled the original way; I happen to like the floor mounted high beam switch, thank you.
You could do something similar, and feed the headlight switch from the ignition circuit (fuseblock)instead of the battery. The relay coils (new Bosch) only pull about 2 watts each.
You need a single pole single-throw relay to turn the headlights on and off, and a single pole double-throw relay to switch between high and low beams.
The whole project took less than two hours and cost about 22 dollars.
Bill
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