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Minnkota Fortrex Control Board Replacement

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Capt. BassinLou

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I just wrapped up replacing my MinnKota Fortrex Control Board. This thread will go over to what lead me to ultimately replace it.

Rather than showing you guys pics of the steps taken to replace board. If anyone chooses to replace the control board themselves watch this MinnKota Video. This video is what helped me to do the job myself.

---> MinnKota Fortrex/Maxxum Control Board replacement video <---

Couple of months ago, I was fishing doing my thing and my TM stopped working suddenly. Hmmm... I checked the prop, and removed it, sure enough, I came across a wad of braid.  ~xyz ~rant. Thinking that was culprit, I went to the back of boat and checked the circuit breaker. Nope, it didn't trip it.  Called FD to help trouble shoot, nada. Short while later, TM starting working again perfectly. Cool!! Went on fishing, TM died once more.  ~xyz ~rant
Packed everything up went home. Got on the computer and started scouring YouTube. Came across videos of anglers with similar MK TM issues.  It appeared as my reed switch was the issue. Followed a few pointers from the videos, and viola TM started working again. Fast forward 6 weeks, TM stopped working again. Thinking it was the Reed switch again, I bought a new one and replaced it. Tested the TM and it was still dead. Uh oh,,,,

Scoured YT again, and came to the conclusion that the Control board had to be replaced.  :'( Ordered a new control board ($150 shipped, just in case anyone was wondering) and decided to swap out it out myself versus going to a repair shop. Came across the video I posted above, saw it a few times, and went to work.

As soon as I unscrewed the foot pedal from the TM tray, and flipped the foot pedal over I saw the problem. My main red wire had corroded and separated from the control board. I immediately came to the conclusion it was caused by water damage and quickly found out why.





I didn't know this until this project, but there is drainage port, in the middle of my TM tray. Since the TM foot pedal is on top of the drainage port, I had no idea one was there. Sure enough over the years, that drainage port became clogged with debris, water pooled and seeped into the control board, eventually frying it.



The control board replacement project took me while, but I successfully completed the job, and now the TM is working good as new. Whew!!  ~sweat ~sweat

The job wasn't too difficult. The control board I received had different terminal connections. I cut off the corroded ends of the +/_ wires and replaced them with the terminal ends that were provided. If I could do this project, anyone can. Like I said it took me awhile, but I did it.  ~bb



Follow the schematics provided and you will be ok. Trust me, follow the schematics closely, or you will come across issues. Ask me how I know.  ~roflmao



Hopefully this thread helps some one.  ~beer~
Last Edit: October 01, 2022, 12:11:46 PM by Capt. BassinLou


Donald Garner

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Lou, Tks for sharing this with us.  There's a bunch of us out here that have that make and model trolling motor.
Belton Texas part of God's Country
Stratos 285 Pro XL Yamaha 150 VMax
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Princeton_Man

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Good information Lou!  ~c~
I remember when I had my tray installed, my boat guy told me that that happens, I'd forgotten about it. He said some guys drill a second hole at the back of the tray. While the first hole has a nifty rubber tube directing the draining water, it all goes straight down to the bilge.
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Capt. BassinLou

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Good information Lou!  ~c~
I remember when I had my tray installed, my boat guy told me that that happens, I'd forgotten about it. He said some guys drill a second hole at the back of the tray. While the first hole has a nifty rubber tube directing the draining water, it all goes straight down to the bilge.

Funny you mentioned a second hole. Since I didn't know there was drain port, I drilled a second drain hole a couple of months ago. Although it fixed the drainage problem, apparently the water damage was already done.

big g

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When you return home from a trip, remove the foot pedal from the tray and look for débris and clean thé holes.  Good job replacing the board!  Learning something new each day!
(Fish) - P/B 11.4, Everglades, L67, L28, Little 67, Alligator Alley, Sawgrass, Holey Land, Loxahatchee, Ida, Osbourne, Okeechobee, Weston Lakes. Broward and Dade Canals.

Capt. BassinLou

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Update. The TM ran flawlessly. I saved some significant coin doing the job myself. ;)

Princeton_Man

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Update. The TM ran flawlessly. I saved some significant coin doing the job myself. ;)

 ~c~
Capt. BassinLou Guide + Minn Kota Repair ;D
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Capt. BassinLou

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Update. The TM ran flawlessly. I saved some significant coin doing the job myself. ;)

 ~c~
Capt. BassinLou Guide + Minn Kota Repair ;D

 lo

 


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