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Getting interference from my trolling motor
#13343081
11/15/19 03:32 PM
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Joined: Jul 2014
Posts: 612
goodman1389
OP
Pro Angler
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OP
Pro Angler
Joined: Jul 2014
Posts: 612 |
I have a Helix 10 G2 mounted at the bow. As soon as I engage my trolling motor I start getting interference and it will give me readings if 200-300 feet deep and no picture, as soon as I let off the pedal it goes back to normal. Anyone else experienced this?
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13343134
11/15/19 04:04 PM
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Joined: Nov 2010
Posts: 5,090
Wayne P.
TFF Celebrity
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TFF Celebrity
Joined: Nov 2010
Posts: 5,090 |
Do a web search for trolling motor RFI. There has been thousands of discussions about it for at least 50 years.
Then after you see your situation is not unique, contact Humminbird Customer Service for help with that issue.
Last edited by Wayne P.; 11/15/19 04:07 PM.
Helix 12 CHIRP MEGA SI+ GPS G3N and G4N, 1198c SI, SOLIX 10 SI G3, Helix 8 MEGA SI+ GPS G4N, SOLIX 12 SI and G3, MEGA 360, MEGA LIVE TL, RC-1
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13343166
11/15/19 04:28 PM
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Joined: Nov 2013
Posts: 154
katjim
Outdoorsman
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Outdoorsman
Joined: Nov 2013
Posts: 154 |
Humminbird will probably send you something to help with interference for free
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13343175
11/15/19 04:38 PM
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Joined: Oct 2016
Posts: 352
ZX4545
Angler
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Angler
Joined: Oct 2016
Posts: 352 |
I have a Helix 10 G2 mounted at the bow. As soon as I engage my trolling motor I start getting interference and it will give me readings if 200-300 feet deep and no picture, as soon as I let off the pedal it goes back to normal. Anyone else experienced this? What TM are you running?
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Re: Getting interference from my trolling motor
[Re: ZX4545]
#13343232
11/15/19 05:35 PM
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Joined: Jul 2014
Posts: 612
goodman1389
OP
Pro Angler
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OP
Pro Angler
Joined: Jul 2014
Posts: 612 |
I have a Helix 10 G2 mounted at the bow. As soon as I engage my trolling motor I start getting interference and it will give me readings if 200-300 feet deep and no picture, as soon as I let off the pedal it goes back to normal. Anyone else experienced this? What TM are you running? 36v Ultrex
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13343235
11/15/19 05:39 PM
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Joined: Dec 2012
Posts: 111
SC 210
Outdoorsman
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Outdoorsman
Joined: Dec 2012
Posts: 111 |
I have the exact same setup and they told me to make sure all the wires at the trolling motor are not near each other(especially if it is not shielded wire)
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13343237
11/15/19 05:39 PM
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Joined: Oct 2016
Posts: 352
ZX4545
Angler
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Angler
Joined: Oct 2016
Posts: 352 |
I have a Helix 10 G2 mounted at the bow. As soon as I engage my trolling motor I start getting interference and it will give me readings if 200-300 feet deep and no picture, as soon as I let off the pedal it goes back to normal. Anyone else experienced this? What TM are you running? 36v Ultrex They (ultrex) have a 3A fuse in the head, change it to a 5A and your interference issue should disappear.... Little tip I got from Slade Dougharty (the graph guru)
Last edited by M_Mayben; 11/15/19 05:40 PM.
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Re: Getting interference from my trolling motor
[Re: ZX4545]
#13343261
11/15/19 06:12 PM
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Joined: Jul 2014
Posts: 612
goodman1389
OP
Pro Angler
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OP
Pro Angler
Joined: Jul 2014
Posts: 612 |
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13343403
11/15/19 09:40 PM
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Joined: Nov 2012
Posts: 468
Len B 1
Angler
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Angler
Joined: Nov 2012
Posts: 468 |
I ran dedicated power wire to battery and 1/2 inch rubber on bottom of tm housing and mounted transducer on that. Helped quite a bit.
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Re: Getting interference from my trolling motor
[Re: ZX4545]
#13343513
11/16/19 12:28 AM
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Joined: Jul 2008
Posts: 7,645
bradnitro175
TFF Celebrity
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TFF Celebrity
Joined: Jul 2008
Posts: 7,645 |
I have a Helix 10 G2 mounted at the bow. As soon as I engage my trolling motor I start getting interference and it will give me readings if 200-300 feet deep and no picture, as soon as I let off the pedal it goes back to normal. Anyone else experienced this? What TM are you running? 36v Ultrex They (ultrex) have a 3A fuse in the head, change it to a 5A and your interference issue should disappear.... Little tip I got from Slade Dougharty (the graph guru) Never heard that thanks
BIG FAT BASS LIVES MATTER
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13343547
11/16/19 01:47 AM
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Joined: Nov 2014
Posts: 318
Dr. Drop
Angler
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Angler
Joined: Nov 2014
Posts: 318 |
Do not tape-tie transducer cable to the trolling motor cable. Run it along side the trolling motor top bracket.
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Re: Getting interference from my trolling motor
[Re: ZX4545]
#13344497
11/17/19 03:52 AM
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Joined: Nov 2012
Posts: 883
Bill Durham
Pro Angler
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Pro Angler
Joined: Nov 2012
Posts: 883 |
They (ultrex) have a 3A fuse in the head, change it to a 5A and your interference issue should disappear.... Little tip I got from Slade Dougharty (the graph guru)[/quote]
That makes no sense electronically.. the size of the fuse makes no difference as far as RF interfering with the DF. The accepted way to hook all of the pieces is the DF is powered by the crank battery and the ground of the trolling batteries and and the crank battery are connected together. Not all of the grounds in the series connected trolling batteries, just the one that represents zero volts to the TM. Also, the transducer cable should be kept as far away from the power cable of the TM as possible. I have braid shield over my power cable to the DF, tied into the ground of the power to the DF. I have eliminated just about all of the interference I was getting.. that was with a Motor Guide Great White 80lb and now with a Xi5. I'm not using the internal transducer on the Xi5. I think to get it all out, the transducer cable needs to wrapped around a toroid core but since those things are frequency dependent and I don't know what frequency is interfering.. I don't know which one to buy. Good luck with your efforts.. its not rocket science but its tricky just the same. BD
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Re: Getting interference from my trolling motor
[Re: Bill Durham]
#13345720
11/18/19 03:17 PM
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Joined: Jun 2008
Posts: 1,209
shotgunwilly
Extreme Angler
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Extreme Angler
Joined: Jun 2008
Posts: 1,209 |
That makes no sense electronically.. the size of the fuse makes no difference as far as RF interfering with the DF. The accepted way to hook all of the pieces is the DF is powered by the crank battery and the ground of the trolling batteries and and the crank battery are connected together. Not all of the grounds in the series connected trolling batteries, just the one that represents zero volts to the TM. Also, the transducer cable should be kept as far away from the power cable of the TM as possible. I have braid shield over my power cable to the DF, tied into the ground of the power to the DF. I have eliminated just about all of the interference I was getting.. that was with a Motor Guide Great White 80lb and now with a Xi5. I'm not using the internal transducer on the Xi5. I think to get it all out, the transducer cable needs to wrapped around a toroid core but since those things are frequency dependent and I don't know what frequency is interfering.. I don't know which one to buy. Good luck with your efforts.. its not rocket science but its tricky just the same. BD
More than likely, what Slade meant was that the 3A fuse was blown. You will see interference if it's blown. Then he replaced it with a larger fuse to help keep it from happening again.
Last edited by shotgunwilly; 11/18/19 03:17 PM.
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13351197
11/24/19 01:09 PM
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Joined: Jul 2017
Posts: 55
Poodle
Outdoorsman
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Outdoorsman
Joined: Jul 2017
Posts: 55 |
I have the exact same problem with my Humminbird HELIX 5. It worked perfect for about 4 months then it just started doing this. I had just replaced my on-board charger with a new one so I disconnected it and it still did it. I ran dedicated wires straight from cranking battery still does it, so if you find a fix let us know.
Steve
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Re: Getting interference from my trolling motor
[Re: goodman1389]
#13351215
11/24/19 01:35 PM
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Joined: Feb 2004
Posts: 28,416
Okie Poke
TFF Guru
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TFF Guru
Joined: Feb 2004
Posts: 28,416 |
I've got pretty much the same problem with my Helix 7 DI GPS. Ran a dedicated wire straight to battery and helped a tiny bit. Still struggling with it. It's a POC, IMO, cause Humminbird was not much help at all.
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