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Humminbird short #13191847 06/21/19 02:14 AM
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Ty's Team Offline OP
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I have a short on my fish finder. It has no problem with power. If I turn it on, it will stay on. However, if I bump it, it will turn off. This is a problem because if Iím running down the lake and I hit a wave even if small, my fish finder turns off. Any ideas on how to fix?

Re: Humminbird short [Re: Ty's Team] #13191885 06/21/19 02:48 AM
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What unit do you have?

Re: Humminbird short [Re: Ty's Team] #13191985 06/21/19 08:58 AM
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Dayne Offline
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Clear cast marine in Springfield MO.

Re: Humminbird short [Re: Ty's Team] #13192042 06/21/19 11:37 AM
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javelin150 Offline
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Couple of things. You can try to replace the power cable. This is pretty common issue on a lot of Humminbird graphs who use the PC 10-11 power cable.

I would first try and "slightly" bend out the pins inside the power cable. You want to bend the the top pin towards the top of the cable and the bottom pin towards the bottom. It doesn't take much, slightly bend them out. This will help the pins make better contact to the head unit. I would also clean them with some contact cleaner as well.

Re: Humminbird short [Re: 44 Diesel] #13192075 06/21/19 12:31 PM
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Ty's Team Offline OP
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Hummingbird 998

Re: Humminbird short [Re: javelin150] #13192091 06/21/19 12:51 PM
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Wayne P. Online Content
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Originally Posted by javelin150
Couple of things. You can try to replace the power cable. This is pretty common issue on a lot of Humminbird graphs who use the PC 10-11 power cable.

I would first try and "slightly" bend out the pins inside the power cable. You want to bend the the top pin towards the top of the cable and the bottom pin towards the bottom. It doesn't take much, slightly bend them out. This will help the pins make better contact to the head unit. I would also clean them with some contact cleaner as well.



"bend" is too harsh for what is needed. Slightly adjust them in any direction, they still have to line up with the tiny holes in the unit receptacle.
Also firmly tighten the cable collector thumb screw with your fingers.


Humminbird Helix 12 CHIRP SI, Helix 12 CHIRP MEGA SI+ GPS G3N, 1198c SI, 1198c SI, ONIX 10 SI NT, Helix 7 CHIRP SI GPS G2,
Helix 7 CHIRP MEGA SI GPS G3, Helix 10 MEGA DI+ GPS G3N, SOLIX 12 SI, 360, RC-1
Re: Humminbird short [Re: Wayne P.] #13194010 06/23/19 05:45 PM
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[Linked Image]

This is the culprit. If I slightly touch wire, it shuts off monitor. I shake the other wires and nothing happens.

Re: Humminbird short [Re: Ty's Team] #13194016 06/23/19 05:55 PM
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Also, some of the readouts donít work. I had video showing which ones werenít working but I canít load video.

Course, depth, time, time/date and position arenít showing.

Last edited by Ty's Team; 06/23/19 05:57 PM.
Re: Humminbird short [Re: Ty's Team] #13194121 06/23/19 08:56 PM
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Wayne P. Online Content
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Originally Posted by Ty's Team
Also, some of the readouts don’t work. I had video showing which ones weren’t working but I can’t load video.

Course, depth, time, time/date and position aren’t showing.


Low voltage due to a poor connection will cause that issue.


Humminbird Helix 12 CHIRP SI, Helix 12 CHIRP MEGA SI+ GPS G3N, 1198c SI, 1198c SI, ONIX 10 SI NT, Helix 7 CHIRP SI GPS G2,
Helix 7 CHIRP MEGA SI GPS G3, Helix 10 MEGA DI+ GPS G3N, SOLIX 12 SI, 360, RC-1
Re: Humminbird short [Re: Wayne P.] #13194155 06/23/19 10:05 PM
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Fish finder reading 13.2 volts

Re: Humminbird short [Re: Ty's Team] #13225782 07/26/19 01:22 AM
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You might try cleaning or replacing you battery connections also. I had one causing me problems even though the voltage checked fine.

Re: Humminbird short [Re: Ty's Team] #13234399 08/03/19 07:18 PM
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Capt Craig Online Content
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This can be anywhere along the power cable. From the starting connection to the unit. I often find that when the boat gets bouncing and the unit turns off, there is too much weight pulling the power cable under the console. Ensure that the cable is zip tied where movement of the wiring harness doesn't shake it.


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