Thread: One big headache

Originally Posted by Pithon

Yeah I've tried 2 different pucks on there and both of them so the same thing. Even went and looked at new units today. Might be selling a finder before to long. Lol Got a buddy though that just got a new Lowrance unit and I'm supposed to install it on his boat this weekend. Might put it on mine first and see if it does the same thing

Sent from my SM-G900V using Crappie.com Fishing mobile app

Were they the trolling motor transducers,supposed to have more shielding.Not sure the model numbe though

Sent from my SM-S907VL using Tapatalk

Yeah they're the tm transducer pucks. I've got to check the ground on the motor housing like cane said and then I'll go from there. That really makes the most sense to me. I think I'm just gonna run a ground from the housing all the way to the battery and see what that does. If that works then I'll start taking it apart to run the wire internally

Sent from my SM-G900V using Crappie.com Fishing mobile app

U fix it yet?


Sent from my iPhone using Crappie.com Fishing mobile app

I don't know yet. I think I may have found something. Ohmed the motor to the negative side of the battery with a hard wire and it made a difference. So I'm gonna run a wire on the inside up to a ground in the head of the unit and see if that works. Sorry as to not give any results and thanks for checking. I've been kinda busy with a dog on her last leg. Finally put her in the ground yesterday and now I'll be able to tend to my boat.

Sent from my SM-G960U using Crappie.com Fishing mobile app

dont use the large power and ground wires in the head unit. they are not ground. these power leads have switched power and pulsed ground signals. will cause problems.

Originally Posted by acwd1950

pull the top off the trolling motor head and check the fuse in there. its probably blown. if it doesnt have the fuse in the head. run a ground wire from the skeg to the negative post on the battery. be sure to put a fuse inline. it looks like you got the transducer cable wire tied to the trolling motor wires. separate them and see if that helps. do you have a onboard charger? some onboard chargers use a common ground try unhooking the ground wire off the trolling motor battery.

Steve

hmmm apparently he didnt run a wire from the skeg to the negative post on trolling motor battery

Safe place to tie to ground will be at the terminal where the ground lead from the battery plugs on the power control circuit board. Meter from this point to motor housing to verify continuity. 18 gage wire should be plenty. Don't take much. Without the housing grounded, the housing is nothing but a noise generating antenna from the commutation of the motor brushes. EMI and RFI.

Take it to a Minn Kota authorized service center and have the internal ground installed.