One trim tab stopped working.....

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One trim tab stopped working.....
One trim tab stopped working.....
One trim tab stopped working.....
December 15, 2017 12:20 pm EST
Location: 33.436N 77.743W
Wind Dir: WSW (240°)
Wind Speed: 17 knots
Wind Gust: 21 knots
AT Ps: 29.96 in (1014.4 mb)
Air Temp: 63°F (17.0°C)
Dew Point: 47°F (8.3°C)
Water Temp: 67°F (19.2°C)

One trim tab stopped working.....
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One trim tab stopped working.....
 
 
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SPTfisher
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Joined: Oct 01, 2015
Posts: 70
Location: Holly Springs, NC

PostPosted: Mon Nov 06, 2017 6:16 pm    Post subject: One trim tab stopped working..... Reply with quote

Out on a lake run yesterday going through a full systems check, clean up, etc.....getting ready for winter storage soon. Noticed trim tab on port side is not working. Starboard works fine. Replaced the control box and switch 2 years ago and have not had a problem. Used them a month ago on the last trip out without issue and now this... wall Possible bad circuit in the control box or bad switch ? Maybe wiring concern? Hoping and praying it's not a bad tab.
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Southport, NC
  
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PirateJuan
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Joined: Mar 25, 2010
Posts: 105
Location: Wilmington, NC

PostPosted: Mon Nov 06, 2017 7:09 pm    Post subject: Re: One trim tab stopped working..... Reply with quote

SPTfisher wrote:
Out on a lake run yesterday going through a full systems check, clean up, etc.....getting ready for winter storage soon. Noticed trim tab on port side is not working. Starboard works fine. Replaced the control box and switch 2 years ago and have not had a problem. Used them a month ago on the last trip out without issue and now this... wall Possible bad circuit in the control box or bad switch ? Maybe wiring concern? Hoping and praying it's not a bad tab.


There are a few easy ways to troubleshoot any time you have dual components. I doubt it's a fuse, as most of these setups use a single fuse for both, and one is working.

If no multimeter...

If you have two positive wires coming from your switch (one for each tab), swap the wires, and see if the problem flips (opposite tabs working/not working). If it does, it's the switch.

If possible, based on the connections, swap the wires coming out of the control box to see if it's the box.

If you have a multimeter and a buddy, you can test voltage at most of the points along the way to check the wiring when the switch is flipped.
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Mppheel
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Joined: Sep 13, 2011
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Location: Greenville - Morehead - Topsail Beach

PostPosted: Mon Nov 06, 2017 9:05 pm    Post subject: Reply with quote

I had one go out on me 45 miles offshore bottom fishing. The starboard was stuck in the full down position. The ocean conditions that day required the port side to be down. That was a very difficult drive back. We did have a full box though. I got her on the lift and manually retracted it until it could be repaired.
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BottomDollar2
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PostPosted: Mon Nov 06, 2017 9:47 pm    Post subject: Reply with quote

Hydraulic or electric actuator?  
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getyasome
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Joined: Feb 06, 2012
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Location: Olin, NC

PostPosted: Tue Nov 07, 2017 7:48 am    Post subject: Reply with quote

Sometimes there are barnacles and stuff built up on the piston cylinder that will cause it not to retract. happened to me once.
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Titan
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Joined: Apr 28, 2015
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PostPosted: Tue Nov 07, 2017 9:44 am    Post subject: Reply with quote

Sounds like it may be time for a new boat.  
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Tabman
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Joined: Mar 21, 2012
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PostPosted: Tue Nov 07, 2017 7:51 pm    Post subject: Reply with quote

Can you tell us if the Tabs are hydraulic or electric and what brand they are. Pretty easy to troubleshoot. If I know what we are dealing with.

Tom McGow
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paynefish
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Joined: Apr 16, 2015
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PostPosted: Wed Nov 08, 2017 9:15 am    Post subject: Reply with quote

Just had something similar happen on my boat and it was the switch. Would not have thought that being less than 2 years old, but it was bad
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SPTfisher
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Joined: Oct 01, 2015
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Location: Holly Springs, NC

PostPosted: Wed Nov 08, 2017 9:30 am    Post subject: Reply with quote

Tabs are Lenco electric. I'm planning to start troubleshooting this weekend and check / switch / test the electrical. Thanks for the replies and advise. let you know what transpires. Tight lines.
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BottomDollar2
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PostPosted: Wed Nov 08, 2017 6:41 pm    Post subject: Reply with quote

Had two issues with mine this year. The second issue was one quit working. IT wound up being the wire in the transom near the splice to the pigtail that comes with the actuator.
The wire had rusted into on the inside, the main outer jacket and the individual conductor jacket was fine but the wire was bad.

Disconnect the wires at the controller to that tab and tough them to a battery / jump box terminals.
Both polarities. If the motor runs it's towards the switch.

If the motor does not run take battery to the transom, disconnect wires touch to terminals again.
If it doesn't run cut off some wire and strip back out and touch to battery.

You could use an ohm meter and volt meter but this is error proof test.
  
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