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Lowrance Voltage Issues -- Advice Needed
#12463207
10/12/17 05:45 PM
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Joined: Dec 2014
Posts: 192
Creekhead
OP
Outdoorsman
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OP
Outdoorsman
Joined: Dec 2014
Posts: 192 |
I currently have two Lowrance units set up on my Triton, an HDS 12 Gen 3 at the Console and HDS 9 Gen 2 at the bow. I recently purchased the structure scan 3D transducer and 3D Structure Scan Box. After I had the marine service center install the new transducer and box, I don't get any structure or down scan images. I figured out after talking to Lowrance tech support, that the technician didn't even have the 3D Structure Scan box powered up correctly.
I have since solved that problem of power to the box and get the green lights, but now when I have both graphs turned on at the same time, the one on the console looses voltage and resets itself. If I disconnect one of the two NEMA cables from the box both units will work, but only in 2D sonar.
Does anyone have any suggestions on this or has anyone experienced this voltage issue. If so how did you solve this. Could it be the 3D structure scan box?
Thanks in advance
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12463270
10/12/17 07:01 PM
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Joined: Dec 2014
Posts: 1,665
Muzzlebrake
Extreme Angler
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Extreme Angler
Joined: Dec 2014
Posts: 1,665 |
Don't know who put it in and wired it up but I can tell you that the ground is the most overlooked important wire in the 12v DC system. Especially anything that pulls a high amp current. If I had a choice between 16ga for hot and 14ga for ground then the ground gets the bigger wire. I have run double ground wires on Engine starters for high compression engines to help a stock starter along so as not to have to buy a higher KW starter. I know this is a different kind of current draw but the principle is still the same. Once the voltage goes thru the hot wire and then thru the apparatus and hits a weak ground the voltage drop becomes exponential. I would not use anything smaller than 16ga for any electronics wiring even though the pigtail connection wires from an apparatus may only be 18ga or 20ga. If I had some 14ga then that would be my ground wire.
Last edited by Muzzlebrake; 10/12/17 07:03 PM.
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12463286
10/12/17 07:10 PM
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Joined: Dec 2014
Posts: 1,665
Muzzlebrake
Extreme Angler
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Extreme Angler
Joined: Dec 2014
Posts: 1,665 |
Oh, and if you think battery voltage is low now, drop the Sonic Hub into the system, plug in your Ipod and turn on some ZZ Top music thru 4 speakers and a sub woofer and watch that voltage drop like a rock In about one song the voltage is at 10.5
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12463293
10/12/17 07:13 PM
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Joined: Dec 2014
Posts: 192
Creekhead
OP
Outdoorsman
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OP
Outdoorsman
Joined: Dec 2014
Posts: 192 |
Ha. I love ZZ Top. Thanks for the suggestion, but both of my graphs read 11.7 and 11.3 (console and bow) when the NMEA is unplugged from the Sonar Hub. The ground (coming from the Structure Scan Box) is the stock ground from the box. Everything from the batteries to the console was factory rigged by Triton.
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12463496
10/12/17 10:05 PM
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Joined: Nov 2002
Posts: 4,439
Gamblinman
TFF Team Angler
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TFF Team Angler
Joined: Nov 2002
Posts: 4,439 |
Have your battery checked for load. Might be time for a new and/or bigger battery.
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12464181
10/13/17 03:06 PM
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Joined: Dec 2014
Posts: 1,665
Muzzlebrake
Extreme Angler
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Extreme Angler
Joined: Dec 2014
Posts: 1,665 |
Ha. I love ZZ Top. Thanks for the suggestion, but both of my graphs read 11.7 and 11.3 (console and bow) when the NMEA is unplugged from the Sonar Hub. The ground (coming from the Structure Scan Box) is the stock ground from the box. Everything from the batteries to the console was factory rigged by Triton. Easy to add a parallel ground wire. Won't hurt a thing. Many times the ground connections can be the culprit even on a new boat. Even the tiniest bit of corrosion will compromise the circuitry.
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12464314
10/13/17 04:42 PM
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Joined: Dec 2014
Posts: 192
Creekhead
OP
Outdoorsman
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OP
Outdoorsman
Joined: Dec 2014
Posts: 192 |
Thanks for the suggestions. Will give it a shot
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12464384
10/13/17 05:51 PM
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Joined: May 2016
Posts: 261
LakeForkBoatAccessories
Angler
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Angler
Joined: May 2016
Posts: 261 |
For a clean electrical install we prefer to go straight to the battery. Sometimes just upgrading the head units can tax a boats internal wiring.
Lightm Up
Steve Smith 661 -706 -1569 Lake Fork Boat Accessories
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12467415
10/16/17 03:28 PM
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Joined: May 2011
Posts: 563
Jones Trolling Motor
Pro Angler
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Pro Angler
Joined: May 2011
Posts: 563 |
I have since solved that problem of power to the box and get the green lights, but now when I have both graphs turned on at the same time, the one on the console looses voltage and resets itself. If I disconnect one of the two NEMA cables from the box both units will work, but only in 2D sonar.
Does anyone have any suggestions on this or has anyone experienced this voltage issue. If so how did you solve this. Could it be the 3D structure scan box?
Thanks in advance
If it is OK when you disconnect the NMEA, it means the addition of the "box" is pulling more than the current wiring will handle. Since the NMEA is powered and suppling power to all the accessories, my guess is the NMEA is also getting it's power from the same source as the Depth finders, which is usually a junction strip. Use a 10ga wire harness (black and red)from the battery to a dedicated junction strip and connect the depthfinders and periphals to that junction strip. John
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12469695
10/18/17 09:47 AM
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Joined: Nov 2013
Posts: 111
Hook setter
Outdoorsman
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Outdoorsman
Joined: Nov 2013
Posts: 111 |
If I turn off the autopilot feature mine will turn off and on like a voltage issue if I leave autopilot feature on it has no problem.
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12484341
10/30/17 03:27 PM
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Joined: Dec 2014
Posts: 192
Creekhead
OP
Outdoorsman
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OP
Outdoorsman
Joined: Dec 2014
Posts: 192 |
I would like to say a quick thank you to Lake Fork Boat Accessories. These guys met me at the ramp, and then fixed me up next day to solve my power issue with the graphs. They also set up the units to see crystal clear images. In fact it help us catch a giant fish in our tournament there Saturday. Thanks and I recommend them if you are in the area.
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12484458
10/30/17 04:59 PM
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Joined: Dec 2014
Posts: 1,665
Muzzlebrake
Extreme Angler
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Extreme Angler
Joined: Dec 2014
Posts: 1,665 |
I would like to say a quick thank you to Lake Fork Boat Accessories. These guys met me at the ramp, and then fixed me up next day to solve my power issue with the graphs. They also set up the units to see crystal clear images. In fact it help us catch a giant fish in our tournament there Saturday. Thanks and I recommend them if you are in the area. Please tell us what they did to fix your voltage problem.
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12484958
10/30/17 11:54 PM
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Joined: May 2016
Posts: 261
LakeForkBoatAccessories
Angler
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Angler
Joined: May 2016
Posts: 261 |
The problem with the units was not a voltage issue. The installer left a cable connecting the units together. I'm pretty sure that was the problem. When I disconnected it on both ends the units worked properly.
Lightm Up
Steve Smith 661 -706 -1569 Lake Fork Boat Accessories
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: LakeForkBoatAccessories]
#12485023
10/31/17 12:49 AM
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Joined: Dec 2008
Posts: 16,026
grout-scout
TFF Guru
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TFF Guru
Joined: Dec 2008
Posts: 16,026 |
The problem with the units was not a voltage issue. The installer left a cable connecting the units together. I'm pretty sure that was the problem. When I disconnected it on both ends the units worked properly. The only cables that can connect both graphs are a nmea cable and the Ethernet cable. Either way you are going to lose some features or functions. Maybe the cable was bad, but most likely you need it.
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Re: Lowrance Voltage Issues -- Advice Needed
[Re: Creekhead]
#12485058
10/31/17 01:15 AM
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Joined: May 2016
Posts: 261
LakeForkBoatAccessories
Angler
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Angler
Joined: May 2016
Posts: 261 |
With 3dss you don't need Ethernet from unit to unit. Ethernet goes from the module to each unit. You can connect up to 3 units.
Lightm Up
Steve Smith 661 -706 -1569 Lake Fork Boat Accessories
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