Reply With QuoteHave you changed your battery or switch recently? The power is polarity sensitive. The red should be hot + black -. I had this issue when I installed my 597
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Slabmaster
Humminbird Power Issues
I have a Humminbird 570Di that I have had for about a year. It is fused and is never left on the boat. Recently I was unable to turn the unit on. I checked the power at the connection and it has 12v. I was thinking that maybe it was not making contact so I took the cable out of the base and attached it that way and it still will not turn on. Does anyone have any advice or other things I can check? Are there internal fuses that may have blown?
Thanks
Brian
Keeper
Have you changed your battery or switch recently? The power is polarity sensitive. The red should be hot + black -. I had this issue when I installed my 597
Slabmaster
The batt. is hooked up correctly. I found another power cable and tried it on another battery and the unit started up just fine. I went back and messed with the connection on the boat and eventually got it working. It reads 12V at the connection, but still wouldnt turn on. After messing with the +/- connection i finally got it to work. Where the +/- are tapped in must have had a bad connection that was good enough for the multimeter, but not when I turned the unit on.
Thanks
Brian
Crappie.com Legend
My buddy said he's had all kinds of power issues with HB and customer service has down 0 to help him. He's selling the units and going with Lowrance. Free updates, and they don't screw up the units.
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Bending the pins "slightly" will sometimes help with HB connection issues...
Rickie
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Slabmaster
I will remember that next time it happens (hopefully it does not). I took the boat out today and everything powered up fine. Thanks guys.
Brian
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A bad connection can allow a digital meter to read 12 volts but not pass enough current to run the machine.
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Bill H. PTC USN Ret
Chesapeake, Va
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Exactly, because a multi-meter does not have much of a load in it.Originally Posted by Barnacle Bill
Brian, I would recommend making sure that all electrical connections are soldered and not just twisted or crimped. Sealing the connections will help them last a long time too.
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