Thread: TM Interference

Not a good idea imo. You can have interference with trolling motor and also when battery voltage drops on trolling batteries a lot of units shut off. I have always run to a different power supply than the trolling batteries with no issues

Chad ... it's my intention to do the same with my new Hook 7, and I'm hoping for no TM interference. If this unit isn't especially different than my Elite 5DSI unit, then there shouldn't be any. My Elite 5DSI was hooked into the power supply of the TM (Motorguide 42# thrust) and I never had one bit of interference from the TM.

To Dwight's point ... yes, I did have that happen when using a 27 series battery to run the TM & the DSI unit, but only after that battery had just about run as long as it could (4+hrs of pushing jigs/cranks). Even then, the DSI unit colors would just "fade" ... right along with the TM's power. And, eventually (if I kept going) the DSI unit would turn off. All that did was prompt me to replace that battery (it was due time, anyway) ... and my replacement was a 29 series battery. After that .... no problems, so far.

Originally Posted by CrappiePappy

Chad ... it's my intention to do the same with my new Hook 7, and I'm hoping for no TM interference. If this unit isn't especially different than my Elite 5DSI unit, then there shouldn't be any. My Elite 5DSI was hooked into the power supply of the TM (Motorguide 42# thrust) and I never had one bit of interference from the TM.

To Dwight's point ... yes, I did have that happen when using a 27 series battery to run the TM & the DSI unit, but only after that battery had just about run as long as it could (4+hrs of pushing jigs/cranks). Even then, the DSI unit colors would just "fade" ... right along with the TM's power. And, eventually (if I kept going) the DSI unit would turn off. All that did was prompt me to replace that battery (it was due time, anyway) ... and my replacement was a 29 series battery. After that .... no problems, so far.

Thanks. Im probably going to give it a try. The unit shutting off is the least of my worries. Running a MK Edge 55# TM with 2-29 series batteries. I can run hard for 8+ hours and go home at 12.4 volts. I guess it won't hurt to give it a shot and ouf there's interference then rewire.

Being an Edge may also be in your favor

You almost certainly get interference tapping into TM power. Even having the power cable for your unit close to the TM wires will cause interference.

Originally Posted by CatFan

You almost certainly get interference tapping into TM power. Even having the power cable for your unit close to the TM wires will cause interference.

I don't disagree. Seen it work that way on several different brands, TM or FF. But having a fixed speed TM at least eliminates a few of the POSSIBLE causes for RF

Originally Posted by CatFan

You almost certainly get interference tapping into TM power. Even having the power cable for your unit close to the TM wires will cause interference.

ABSOLUTELY.

If you don't want to run wires, the 2nd best idea would be to run the unit off of a 9-12 amp SLA rechargeable battery and hope you still get no RFI.

Thanks for the replies guys, but as of this morning, I have made an executive decision. Im blowing my boat up with 5-10 lbs of tannerite. We will continue with rigging questions on a new boat, hopefully in March.

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