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fishfinder

Old 09-06-2014, 12:25 PM
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Hi, new to forum, so here's the question, front fishfinder wont turn on, new batteries, so I measured the voltage on the wires going to the fish finder, I get 12.8 volts, however as soon as I hit the power button while keeping the volt meter hooked up, the voltage disappears. Doesn't drop a few volts, just drops to below a volt. The wires are of the correct gage as this use to work once, and the same thing will happen if even I hook up a different fishfinder, any ideas?
Thanks in advance!
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Old 09-06-2014, 12:42 PM
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You have a very high impedance somewhere in your wiring, it's probably caused by a bad connection. Check and clean all connections from the battery to your sounder.
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Old 09-06-2014, 12:47 PM
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thank you, the wires from the front run directly to the battery with the 3 amp in-line fuse, I did clean them, but I'm going to put new ring terms on and see what happens, thanks for the reply,
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Old 09-06-2014, 01:08 PM
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With new batteries and good wiring direct has to be bad connection or corrosion.
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Old 09-06-2014, 01:41 PM
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I believe that to be the case, I actually had a similar issue before on another boat, I changed out the ring terms and all was well. I'll do that and post back, thank you
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Old 09-07-2014, 06:22 AM
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Hi, just letting you know, the issue was with the in-line fuse holder, corroded, change it out and all is well, thanks for the responses
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