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 Reverse Issue? 
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MMT Member

Joined: Fri Aug 21, 2009 9:25 am
Posts: 9
Post Reverse Issue?
Hi, took out my Mudbuddy 4400 BD HDR yesterday and the reverse wouldn't work off the trailer. It engaged and I would throttle up and nothing. I got it out on the water and tried it couple more times and still nothing. I ran the boat around for about 30 min and then tried it and it worked perfect. Is this something I should have looked at or maybe it fixed itself? My motor has close to 30hrs. Never had an issue before. Any help would be great.


Mon Aug 05, 2019 8:39 am
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MMT 1000 Club

Joined: Wed Jan 18, 2012 7:21 pm
Posts: 2207
Location: North Alabama
Post Re: Reverse Issue?
Was your battery weak to when you first tried?

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Tue Aug 06, 2019 5:34 am
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MMT Member

Joined: Fri Aug 21, 2009 9:25 am
Posts: 9
Post Re: Reverse Issue?
No battery was fine.


Tue Aug 06, 2019 6:45 am
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MMT F.E.

Joined: Mon Jul 14, 2014 8:19 am
Posts: 981
Post Re: Reverse Issue?
Doubt it “fixed itself”.

I agree with Dmax on really scrutinizing your battery. An easy answer would be it was fairly low and had trouble fully engaging the electric clutch, then you ran it and the Briggs charged your battery then it started working.

There are other possibilities, but if your wires look clean, that’s where I’d start.


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Tue Aug 06, 2019 7:50 am
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MMT Member

Joined: Fri Aug 21, 2009 9:25 am
Posts: 9
Post Re: Reverse Issue?
Tried it again. Battery charged. Reverse not working correctly. It spins but doesn’t catch. Forward works perfect. Tried it all over the lake diff depths. Spins but won’t catch. On a weird occasion it will “catch” and reverse works perfect. 33hrs. On motor.
One family member says they may have it reverse while on plane in forward. Switched it right back. Any help appreciated.


Fri Aug 23, 2019 6:29 pm
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MMT F.E.

Joined: Mon Jul 14, 2014 8:19 am
Posts: 981
Post Reverse Issue?


Fri Aug 23, 2019 7:04 pm
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MMT F.E.

Joined: Mon Jul 14, 2014 8:19 am
Posts: 981
Post Re: Reverse Issue?
Also, if you want to make yourself feel good that it’s not the clutch, snip the clutch wires (it’s just a Pos and Neg) and stick it straight to a battery. You will hear it engage. That will tell you it’s earlier in the system which means bad wire, ground, or switch.


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Fri Aug 23, 2019 7:59 pm
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MMT 1000 Club

Joined: Sun Oct 24, 2010 7:19 pm
Posts: 1103
Post Re: Reverse Issue?
I would think it's a bad switch or wire to the reverse. The battery should be ok because forward is working fine, so I would think if it has enough power for forward it should have the same for reverse.


Sat Aug 24, 2019 5:32 pm
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MMT 1000 Club

Joined: Mon Dec 31, 2012 11:07 pm
Posts: 4820
Location: West Monroe, LA
Post Re: Reverse Issue?
Maybe so, but troubleshooting 101 means dont assume anything. Check it to isolate the issue. Could be something with that reverse clutch.

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Sat Aug 24, 2019 6:49 pm
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MMT F.E.

Joined: Mon Jul 14, 2014 8:19 am
Posts: 981
Post Re: Reverse Issue?


Sat Aug 24, 2019 8:13 pm
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MMT Elite Member

Joined: Fri Jul 08, 2011 1:54 pm
Posts: 8133
Post Re: Reverse Issue?
Here's a quick clip I made years ago showing how the magnet engages when 12v is applied.

https://www.youtube.com/watch?v=7cH0X7-fwzo

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Mon Aug 26, 2019 5:56 am
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MMT Member

Joined: Fri Aug 21, 2009 9:25 am
Posts: 9
Post Re: Reverse Issue?
Just a final update. It was the battery connectors that were corroded and bad. Had them all replaced. Battery tested fine. Reverse is working great once again! Thanks for all the help!


Sat Sep 07, 2019 6:48 am
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