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  1. #11
    VIP Member VIP Member Double Rigged's Avatar
    My Boats:
    308 Skater w/ 300x's
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    Dec 2007
    Pompano Beach, FL
    What he has will work but you need to turn the diodes around. The line indicates the end with cathode.

  2. #12
    Ginger or Mary Ann? Charter Member US1 Fountain's Avatar
    Join Date
    Oct 2000
    Lafayette, IN
    Quote Originally Posted by Double Rigged View Post
    What he has will work but you need to turn the diodes around. The line indicates the end with cathode.
    Thanks for that clarification. I can never remember which end means what. 12+ blocking this direction, 12- blocking that direction. I either have my electronic coworker draw it out for me, or I try it and reverse them if no work.
    Some people are like Slinkies - Not really good for anything, but they
    bring a smile to your face when pushed down the stairs.

  3. #13
    My Boats:
    1996 Riot Booster- I'm the Motor!
    Join Date
    Dec 2009
    Snowacuse, NY
    A 6 amp diode is the biggest common one with wire leads, like the General Instrument p/n GI 751, GI 752, GI 754, GI 756 ... as the number go's up, the max voltage you can use it at increases, so for 12 or 24 volt circuits the PRV (peek reverse voltage) of 200 or more is appropriate, as there are voltage spikes in the system from any inductive loads, such as starter motors, solenoids, and such.
    The diode is like a check valve, passing current when the stripe or cathode end is closer to the more negative side of the circuit. (the diagram has them backwards) notice the far side of the lamp is connected to negative. in the circuit the switch that is on will pass current through the first diode, but the other will not pass it to the second circuit. I hope this is a help.

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