Trolling motor power loss

[mike_4843]

I have 2007 minn kota 55sc maxxum bow mounted trolling motor and it isnt as powerful as it used to be. Does any one have ideas what would cause this? I would say it is running about 70% power of what it use to be.

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[raven7]

If you haven't yet, pull the prop off and check to see if any fishing line or other crap has gotten wrapped around the shaft.

[Ed B]

Check your power connections as well...Might be a corroded contact
Ed

[rwg]

Get a new battery

[mike_4843]

it is a new battery and checked all of your replys and no change still weak

[Longjohn119]

If that's an infinitely variable speed setup then the pulse width modulator or output MOSFETS may be going bad. It's not the easiest thing for a layman to check, in fact you really need an o-scope to look at the output waveform to check voltage and duty cycle and go from there.

I doubt you'll find a dealer with the equipment or savvy to check/fix it, you probably should contact Minnkota.

[mike_4843]

No, it doesn't have the variable speed it just has the 5 speeds. I dont know what to think don't have the money for a new one. Heck I think I paid around 700 bucks for that one!!!