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My problem right now is that when I switch on my navigation lights, my fishfinder goes off.
The fish finder on your boat is the only device that is voltage sensitive – when it sees too low a voltage it shuts off. If the system never worked, increase the size of the power feed wire for the panel that feeds the navigation lights and fish finder or run a separate power feed for the fish finder. I think I have a bad ground causing a short somewhere which is draining the battery…is that right? How can I find a short, do I just look for a bare wire or a bad ground or do I use my meter? Clean all of your battery connections and get rid of any wing nuts that are holding the wires to the batteries.
Check for alternator output by comparing battery voltage while engine is running and engine is off.
The dealer returned the boat to Lund 2 years ago and they worked on the electrical system and repainted the boat. A quick check with my ohm meter shows that there is direct continuity between the hull and both negative wires when they are disconnected from the battery. It is almost impossible to electrically isolate the outboard from the hull, but you can isolate other electrical current that is passing from the hull to the motor on its way to the battery negative.
You might consider their deluxe wiring harness combined with the ultimate switch panel and have a complete new, safe electrical system for your boat. Or, if your current panel is custom fit to its location, EzAcDc also offers a kit that makes a total rewire of your existing panel relatively painless. Since we have the experience and are ABYC certified, we can perform all the electrical fabrication needed for your new skiff or seine skiff. Via email, text message, or notification as you wait on our site.Ask follow up questions if you need to.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions. I need help configuring this lot as one of the batteries has died (the one directly connected to charger). In your system, as long as all switches are in the correct position and both batteries are good, they the system will charge. Then, instead of using a battery isolator, I would use a voltage sensitive relay between the two batteries.  This VSR would go on the battery side of the battery switch.
Arrive at boat, turn battery switch to On position.  Boat systems and engine are operating off of separate batteries. Voltage sensitive relay connects battery 1 and battery 2.  Battery 1 and Battery 2 are now being charged by your engine alternator. The boat was FREE, but there is no wiring, All I have is a small 40 pound thrust troll motor for now (detachable from it’s bracket). There are no lights or wiring on this boat I want to wire the boat for lights front and back and some type of harness or junction front or back to leave available for possible motor later. In my opinion, the best trolling motor connect on the market is the Marinco Connect Pro System.


Use 8 awg stranded tinned copper wire as your positive and negative trolling motor leads and install a main circuit breaker as close as possible to the battery – withing 7” or closer would be perfect. Since you will probably only have one trolling motor on this boat, you could run both power leads to the load side of this breaker and only use one circuit breaker. It’s important that as you add electrical components, you are careful to wire them properly. If, however, your ultimate goal is to quickly get your new boat safely wired and on-the-water for fishing, you might want to consider a prefabricated harness and panel.
I have two 12 volt batteries in series to produce 24 volt for my trolling motor in the back of the boat.
Is there any way to use these same batteries for engine and boat accessories, which are both 12 volt systems? If so, is there any way to charge them back off the engine alternator which is also 12 volt? Let’s say that you connect your engine to battery 1 and your boat accessory to battery 2.
If you connect the ground to battery 1, the lights will burn out because they are connected to 24 volts. If you accidentally connect the grounds to both, your create a “dead short” in the system and all of you ground wires involved in the short will be on fire. Posted on October 30, 2008Author Kevin HannulaCategories Battery Management, Boat Battery Wiring, Boat Lighting, Marine Engines, Navigation Lights, Pontoon Boat Wiring, Power Boat Wiring, Trolling Motors, VSRLeave a comment on 12 volt accessories on a 24 volt system? By clicking Confirm bid, you commit to buy this item from the seller if you are the winning bidder. By clicking Confirm bid, you are committing to buy this item from the seller if you are the winning bidder and have read and agree to the Global Shipping Program terms and conditions - opens in a new window or tab. By clicking 1 Click Bid, you commit to buy this item from the seller if you're the winning bidder. This is a private listing and your identity will not be disclosed to anyone except the seller.
One is on the electric start, 25hp Mercury, fishfinder, and navigational lights and the other is for the electric trolling motor.
For all other devices, if the voltage is low, they just spin slower or don’t glow as bright. The fuel gauge does not function (probably unrelated) and the battery will completely drain in one day of use.
Most automotive units need to have the power button held down for several seconds to completely shut down. Am I correct in assuming that this is not proper and would this likely be the source of my corrosion issues?
I would like one to wire in depth finder, radio, cb, nav lights, wipers, power point plug-in. Their harnesses provide adaptors to connect to all your existing components (lights, bilge pump, etc,). Once you have the job done, the rewired panel will connect easily onto any of the EZ harnesses. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.


I liked that I could ask additional questions and get answered in a very short turn around. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. I would like to set the boat up for both bow mount and transom mount, so when I fish alone I can move and connect it to either position.
I would put one of their Connect Pro Plugs on the end of your trolling motor wires and a Connect Pro Receptacle at the bow and the stern of your boat.
Circuit protection, voltage drop, wire size, and wire color are all factors that need to be considered.
These folks have the exact wire harness and panel with circuit protection that would work on your boat.
You would have all the switches, circuit protection, and wiring for your navigation light, stern light, aerator pump, bilge pump, and even an auto bilge pump switch. The harness and lights come with DELPHI weather pack connectors that plug directly into each other.
Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. Import charges previously quoted are subject to change if you increase you maximum bid amount. Too many of these will cause the fish finder to turn off and all other devices to remain on. Your dead battery may be as simple as poor battery connections that are not allowing your engine to recharge it. You may be able to find this with a meter, but your best bet is to trace all of the electrical circuits. Use standard boat wiring colors and size your wires based on voltage drop or current draw (whichever requires a larger wire).
The 5 amp breaker on the panel will be adequate for your nav lights and the instrument lights.
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The solution might even be as simple as replacing wings nuts on your battery with locking nuts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles.
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