
02-28-2013, 06:51 AM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
The magic box simply has a couple of diodes in it. They are a one way valve for electricity so when the brakes and indicators are on it doesn't let the brake light signal go to both lights, which are brakes and indicators. That makes them stop blinking and both come on as brakes.
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