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Cool wiring for running / anchor lights
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<blockquote data-quote="gnappi" data-source="post: 453997" data-attributes="member: 22374"><p>Yup, you got it. When the aft light is turned on the diode blocks the +12volts from going to the bow light. When the bow light is selected ordinarily with a DPDT switch only the bow light would turn on. But with the jumper on the neg side and the diode connected with the anode on the bow light + side of the switch the diode conducts the +12 volt to the aft light also. </p><p></p><p>BTW, the diode presents a .7 volt drop across it so if your battery was at 12.7 volts, the stern light would only get 12.0 volts fed to it which is more than sufficient to keep the light lit.</p></blockquote><p></p>
[QUOTE="gnappi, post: 453997, member: 22374"] Yup, you got it. When the aft light is turned on the diode blocks the +12volts from going to the bow light. When the bow light is selected ordinarily with a DPDT switch only the bow light would turn on. But with the jumper on the neg side and the diode connected with the anode on the bow light + side of the switch the diode conducts the +12 volt to the aft light also. BTW, the diode presents a .7 volt drop across it so if your battery was at 12.7 volts, the stern light would only get 12.0 volts fed to it which is more than sufficient to keep the light lit. [/QUOTE]
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