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2004 Regulator Electronic nightmare. Please Help!

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2004 Regulator Electronic nightmare. Please Help!

Old 02-27-2012, 02:14 PM
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Default 2004 Regulator Electronic nightmare. Please Help!

Hello everyone. I have been browsing the forum for a while and I didn't quite see what I was looking for. I am working on a 04-26fs Regulator. It all started with the Auto Pilot Simrad Ap11 not working.

AP11, LF3000 Lin Feed, LFI3000 MK2: The LF3000 is sending funny signals. One second it has perfect feedback, the next its totally wrong. How can it flip flop so much? Sometimes I turn to STBD and it reads port other times it works perfect. I checked all connections and they are good and tight. The auto pilot ran its rudder test fine but when i engage it on Auto-Compass it alternates 10 STBD 10 Port consantly. Any ideas?

Furuno NavNet2 with a Furuno dome style radar: Today while underway the SINS package totally seized up. Radar, Sounder, charts all frozen. reset system 10 times with the same result. Went into console dropped the instrument backing and wiggled all wires. Turned on fine after that. this is the second episode in a week.

Today while underway, normal cruising, all electronics reset. I didn't push a button. it was totally spontaneous. Battery readings while on are 14 volts so I know things are charging well. I have looked for a ground somewhere...I can't find one and it's driving me crazy!

Any Ideas?
my boat:
2004- 26FS Regulator
Navnet2
Furuno GP32
Furuno RD30
Simrad AP11
LF3000
LFI3000MK2

-Nick
Old 02-27-2012, 03:21 PM
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And the trim tabs work intermittently. So confused.
Old 02-27-2012, 03:27 PM
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sounds like you have a power issuse id check all your batt cables and grounds frist..... as far as the pilot it sounds like your feed back is take a dump time to replace it
Old 02-27-2012, 04:05 PM
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As mentioned check all connections and grounds. Check ALL grounds first. Also check your fuse connections in the fuse panel. Do you have the glass fuses under the console. Most regulators i have worked on have those cheap fuse panels with 4 or 5 fuses located under the console. To help you isolate the problem have some one look at the electronics while you "wiggle" those wires you messed with. It the problem occurs then you should be close to the bad connection.
Old 02-27-2012, 04:21 PM
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Disconnect the rudder feedback arm and have someone move the feedback sender arm slowly back and forth while you watch the display. If the rudder position is jumping all over, then I would bet the feedback unit is the problem. My friend has the same and has been thru 2 already.
Old 02-27-2012, 04:21 PM
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I will check all connections tomorrow. is there any decent way to check for grounds other than trace every wire?

-Nick
Old 02-27-2012, 11:01 PM
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That LF3000 is likely in the process of failing. I had a Regulator with a similar Simrad pilot and my feedback unit failed about every two years. Apparently they don't like salt water -- a Simrad tech actually said that to me when I called about the second failure and it was a major reason for the adoption of the "virtual feedback" design.

There is a alternative now that is made by Teleflex and is supposed to be a lot more reliable.

As for your issues with the NavNet, if you do not experience any problems at the dock, it is almost certainly a bad connection that is opening when the boat bounces around. One thing to bear in mind is that there can be corrosion inside what looks to be a good connection at butt connectors and terminal fittings.
Old 02-28-2012, 04:33 AM
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Originally Posted by Nomans View Post
That LF3000 is likely in the process of failing. I had a Regulator with a similar Simrad pilot and my feedback unit failed about every two years. Apparently they don't like salt water -- a Simrad tech actually said that to me when I called about the second failure and it was a major reason for the adoption of the "virtual feedback" design.

There is a alternative now that is made by Teleflex and is supposed to be a lot more reliable.

As for your issues with the NavNet, if you do not experience any problems at the dock, it is almost certainly a bad connection that is opening when the boat bounces around. One thing to bear in mind is that there can be corrosion inside what looks to be a good connection at butt connectors and terminal fittings.
As far as the butt connectors I agree. I am going to switch out all that I can. Lots of water gets under the console. Drips from compass, cup holders, vents, storage pullouts, etc...I am going to seal everything today and then change connectors, and clean all connections. When Im done I will post progress. Thanks guys.
Old 02-28-2012, 04:33 AM
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I had a similar issue last year and finally found the connection from battery switch to 40amp breaker was loose. Had to remove the fuse housing and turn it over to get to back and tighten connections. Also, the battery terminals needed cleaning and reconnecting and all has been fine since.
Try the simple and obvious first and dig deeper as you need but make sure the major power supply wires are checked from battery to switch to front of boat where the power is supplied to bus bar or whatever.
Old 02-28-2012, 05:38 PM
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nick pull your switch panel out its easier to see there is two grounds running along console underneath your navnet ening up overtop of your console door mine is hooked up there to a fuse block.are your batties still in the rear of the boat?
Old 02-28-2012, 05:40 PM
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Originally Posted by mad mike View Post
nick pull your switch panel out its easier to see there is two grounds running along console underneath your navnet ening up overtop of your console door mine is hooked up there to a fuse block.are your batties still in the rear of the boat?
nevermind I have a 23
Old 03-08-2012, 04:13 AM
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well as far as the trim tabs go, all sat. New connectors throughout and cleaned all battery connections. They looked pretty rough. cup holders on dash had been leaking down for a while inducing the corrosion. Ran hoses from cup holders and cleaned up everything. One thing is stumping me. The engine tachometers display the trim/tilt level of the engines. they are stuck, port all the way up and stbd, 2 notches above bottom. they dont adjust when I tilt/trim the engines. I pulled the throttle switches apart and there was no corrosion at tilt trim switch. they work fine but the indicators are reading faulty. any ideas?
Old 03-08-2012, 05:20 AM
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Originally Posted by NickNc View Post
well as far as the trim tabs go, all sat. New connectors throughout and cleaned all battery connections. They looked pretty rough. cup holders on dash had been leaking down for a while inducing the corrosion. Ran hoses from cup holders and cleaned up everything. One thing is stumping me. The engine tachometers display the trim/tilt level of the engines. they are stuck, port all the way up and stbd, 2 notches above bottom. they dont adjust when I tilt/trim the engines. I pulled the throttle switches apart and there was no corrosion at tilt trim switch. they work fine but the indicators are reading faulty. any ideas?
Check the sending units at the engine, near the power trim pumps. Most likely they are froze up.
Old 03-08-2012, 09:30 AM
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If Yamaha's, those trim indicators stick and freeze up. Got to spray them down and work them until the free back up. WD40 is good at the cleaning and freeing them up.
Old 03-08-2012, 05:50 PM
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Thanks guys, found them...frozen like stated. un froze..STBD works great, Port inop. I guess the port is bad.

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