Trolling Motor Interference With Depth Finder

I called and the Humminbird rep told me to use a double ground set up to fix the issue I tried several other things first before calling. The first thing you want to do under these conditions is to turn the sensitivity down.

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Greetings - my Minn Kota trolling motor causes interference with my Humminbird depth finder.

Trolling motor interference with depth finder. August 23 2020 at 316 pm 1967457. 28072015 The fish finder worked great on the old trolling motor but not on the new. Joined Feb 23 2010.

If yes disconnect depth finder battery leads from the trolling motor battery and connect them to the engine cranking battery. 18032019 Here is a link to explain using a ferrite ring for getting rid of interference. I bought a summer time kit for the FL8 which included a transducer that mounts on the trolling motor.

If you find that interference is still present then you might try using a separate small 12 volt battery to power the depth finder and retest. Jump to Latest Follow 1 - 8 of 8 Posts. I get a bunch of interference with the new motor running unless it is on the very highest speed.

It is also recommended that the excess length of power and transducer cables not be coiled. I have a Garmin striker 7 with disi. 25082020 Depth finder interference.

27062020 You will always get interference when running a trolling motor and fish finder to the same battery. If you find that interference is still present then you might try using a separate small 12 volt battery to power the depth finder and retest. Then tidy up the installation with zip ties.

10092010 Minn Kota Interference - double ground solution. But if it is in the water the under water view turns dark as soon as the trolling motor is turned on the gps and depth readings are still clear. 16032017 The problem Im having is that every time I run the trolling motor I get a lot of interference on the screen of both units.

If the motor interferes with the depth finder when both are being operated. All you have to do is ground the frame to the sonars battery. September 04 2010 123450 PM.

16042018 Try to keep the depth finder power cable away from the trolling motor power cable when rigging. Have to run separate power sources or run to your cranking battery. This vlog solves that issue.

02022019 Trolling interference is a common issue with depth finders. Determine if supply voltage for trolling motor and depth finder is provided by the same common battery. The unit works great when the trolling motor is off but when I start it I get bad interference.

10072018 The recommended method is to drill a hole in your trolling motor skeg put a bolt through it and connect a grounding wire. Transducer is mounted to the trolling motor. This scenario is one many anglers commonly face.

15102012 If I run the trolling motor in its cradle or while the boat is on its trailer there is no interference with the fish finder. 07051999 Interference is most prevalent when the transducer is mounted on the trolling motor and the electronics are on manual mode with the gain turned up and the trolling motor is on a slower speed. June 29 2021 at 701 pm 2045231.

It is also recommended that the excess length of power and transducer cables not be coiled. 1990 Lund Predator Minnkota Powerdrive V2 Vexilar FL-8 on the bow. The instant I let off the trolling motor the interference goes awayThe fish finders are running off of a separate battery not the trolling motor batteries or cranking battery and I dont get any interference on either when running the big motor just when I run the trolling motor.

You might need to wrap your depth finder power wire in one or transducer wire even. 30062021 Fish finder trolling motor interference. Conceptually the frame of the trolling motor is conductive and shrouds the noisy motor inside.

11042013 Trolling MotorDepth Finder Interference. I went through all of humminbirds suggestions to eliminate electrical interference rerouted wiring added a ground bought a new battery to run the fish finder by itself. 18072018 Try to keep the depth finder power cable away from the trolling motor power cable when rigging.

Test depth finder for interference while operating motor.

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