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Reply With QuoteHumminbird recommends a 3A fuse for the Helix 9. I wired my units directly to the battery and used this:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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When I mentioned "foreign potential", I was not speaking of lightning. Any voltage not associated with the specific electronics circuit would be a foreign potential, for example a 24v TM potential would b be foreign to the 12v of the Sonar circuit.
This does happen.
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Humminbird recommends a 3A fuse for the Helix 9. I wired my units directly to the battery and used this:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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I used the same fuse block at the battery.Originally Posted by GWDawg1
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