24 volt trolling motor wiring with charger - Jun 1, 2022 · Minn Kota MK 460PC Precision On-Board 4-Bank Charger 60-Amp. The MK460PC is the best product for the industry-leading Min Kota. Additionally, this charger has a category top charging amps of 60 total, 15 amps per battery. The built-in electronic microprocessor is designed to charge trolling motor batteries.

 
May 4, 2010 · 12/24/36 Volt 15 amp 3 bank waterproof marine charger. The Dual Pro 3 Bank TRI PRO marine battery charger is a 3 bank, 15 amp 12 volt per bank, temperature compensation charger. The Pro series are. heavy duty, microprocessor controlled, waterproof, and fully potted vibration proof battery chargers. . Geoff ketchum twitter

Step 1: Determine How Many Banks You Need. The first step is pretty simple. How many banks you need depends on how many batteries you plan on charging at the same time. You’ll want to have one bank for each battery you are going to charge. On most bass boats anglers will use either two or three deep-cycle batteries.Trolls are people who enjoy stirring up trouble and controversy on the Internet communities they visit. Find out more about the nature of trolls. Advertisement There's no denying t...What You Need to Know About Wiring Connectors. The first component in a 24-volt trolling motor wiring diagram is the wiring connectors. These are the connectors that join the motor to the battery and allow electrical power to be transferred between the two components. Most trolling motors use either a three-wire or four-wire connector for the ...Installing 24V battery system for trolling motor (24 Volt Battery) SUPPORT & SUBSCIBE The BRAND NEW order Just arrived! Thank you in advance fo... How to Wire a 24 Volt Trolling Motor. Wiring a 24 volt trolling motor requires careful planning and attention to detail to ensure proper functionality and safety on the water. Here is a step-by-step guide on how to wire a 24 volt trolling motor: Gather necessary materials: 24 volt trolling motor with appropriate wiring and connectors; Marine ... To wire a trolling motor with 24V, join two 12V batteries in series using a jumper cable connecting two opposite polarity terminals. Then, connect the power …Connect-Ease trolling motor connection kits makes it easy for you to connect, disconnect, store and charge your Dakota Lithium deep cycle batteries. Connect two 12V batteries in series to create 24V. Includes on-board charging connections for easy charging (wiring only to connect to an onboard charger, this is not a charger).Wiring in Series – 24v, 36v and 48v systems. Wiring in series adds together the voltage of two or more 12 volt batteries. So, a 24 volt system will require 2 standard 12 volt marine batteries in a series (12v + 12v = 24v). A 36 volt system will require 3 standard 12 volt marine batteries in a series (12v + 12v + 12v = 36v).If you have a 24V trolling motor, it makes sense to get a single 24-volt battery rather than connecting two 12V batteries in series. However, there are other things to consider: A larger battery can make it harder to find the right location. Two smaller batteries offer more configurations; A 24V battery will require a 24V lithium battery charger.Apr 15, 2021 ... Comments37 · How to properly install wiring for a 24v Minn Kota Trolling Motor with a Circuit Breaker! · 12V vs 24V Trolling Motors - 3 reasons ...The Minn Kota 24 Volt Wiring Diagram serves as a valuable resource for troubleshooting and diagnosing electrical issues with the trolling motor system. It allows users to …The Yandina Trollbridge36® Combiner allows you to charge your 36 volt trolling motor lithium batteries from the 12 volt alternator on your main engine, a single output charger. or trailer hook-up. It works by putting three 12 volt batteries in series when you need to run the trolling motor and in parallel for charging. It has a built in Combiner function so the trolling batteries will never ...In this video, we will show you how to connect a multiple 12 volt trolling motor batteries in series to create a 24 or 36 volt system.Want to learn more abou...A battery tray protects your battery and makes it easier to install batteries in a boat, golf cart, or RV. Optimized for Dakota Lithium batteries, including the 12V 100Ah battery, the 12V 280Ah battery, the 12V 54Ah battery, the DL+ 12V 60Ah battery, the DL+ 12V 135Ah battery, and the 24V 60Ah battery. See all the specs and buy now ».Apr 3, 2017 ... I install a 2 bank battery charger to my 24 volt trolling motor battery's. The Trollbridge 24 allows you to charge your 24-Volt trolling motor batteries from the 12-Volt alternator on your main engine, your trailer hookup, or any single or multi-output 12-Volt charger. It is designed to allow using your starting battery as one of the two (2) trolling motor batteries. It works automatically by connecting the 12-Volt ... With the correct wiring setup, you can enjoy a smooth and efficient boating experience with your 24 volt trolling motor. Understanding 24 Volt Trolling Motor Setup. In the world of fishing, having a reliable trolling motor is essential for maneuvering through the water and finding the perfect spot. Many anglers opt for a 24 volt trolling motor ...Before we dive into the cost of charging your electric car, it’s important to understand the different charging options available. There are three main types of chargers: Level 1 (...For three-wire systems (either 12/24 or 24/36V) insert the highest voltage wire into terminal 3 (see Figure 4). 4. Make certain there is no wire insulation inside the terminals, and there are no stray wire strands outside the terminals. ... Push the trolling motor wires through the openings at the end of the cover. NOTE: on trolling motors with ...Re: Need 12/24 volt trolling motor wiring advice You are confused about the battery setup. You NEVER want the starting battery serving trolling motor duty as you will be guaranteed to have a no-start condition at some point in. First, there is absolutely no need to run a 12/24 volt motor on 12 volts. Why they did this is with a 24 volt motor silly.If you're in a pinch or some form of emergency situation, you can give your phone a little bit of charge with a nine-volt battery, your house key, and standard car charger. If you'...To wire a trolling motor with 24V, join two 12V batteries in series using a jumper cable connecting two opposite polarity terminals. Then, connect the power …When it comes to fishing, having a reliable trolling motor is essential for maneuvering smoothly through the water. Trolling motors that operate on 24 volts provide more power and speed than their 12-volt counterparts, making them ideal for larger boats and rougher waters. However, to ensure optimal performance, it is crucial to have a proper […]Jun 1, 2022 · Minn Kota MK 460PC Precision On-Board 4-Bank Charger 60-Amp. The MK460PC is the best product for the industry-leading Min Kota. Additionally, this charger has a category top charging amps of 60 total, 15 amps per battery. The built-in electronic microprocessor is designed to charge trolling motor batteries. Join the community on Discord: https://discord.gg/eFazn7EYcE- In this video I go detail the process to select the proper wiring size/gauge, connectors and ci...24-volt trolling motor wiring with charger. Permanently mounted charge systems for trolling motors are the way to go. You just need to plug them in at home for …Wiring for 24-volt trolling motor wire up. The black wire leading from the positive to the negative is how you get 24 volts from two 12 volt batteries. Is this correct? The other question is: Where do I hook up the on-board charger cables. The charger has only a red and a black wire coming from the charger.How to Wire a 24 Volt Trolling Motor. Wiring a 24 volt trolling motor requires careful planning and attention to detail to ensure proper functionality and safety on the water. Here is a step-by-step guide on how to wire a 24 volt trolling motor: Gather necessary materials: 24 volt trolling motor with appropriate wiring and connectors; Marine ...Buy Connect-Ease RCE24VBK 24-Volt Trolling Motor Connection Kit with Out On-Board Charging: ... #65 in Boat Battery Chargers: Date First Available : January 31, 2020 ... Trolling Motor Plug and Receptacle,12V/24V/ 36V/48V 8 Gauge 2-Wire Trolling Motor Plug Compatible With Minn Kota Marine Boat,Male & Female Trolling Motor …Before we dive into the cost of charging your electric car, it’s important to understand the different charging options available. There are three main types of chargers: Level 1 (...12V/6 cell batteries (50-130 amp hour rating) that are Flooded/ Wet Cell, Maintenance Free, Starved Electrolyte (AGM) or Lithium5 only. —. —. X. 12v Lithium Ion (LiFePO4) Optimized. X. —. —. Learn about the features and technologies in our marine battery chargers, so you can choose the best charger to meet your needs.Re: 24 volt, 3 wire plug/receptacle for my 24 v Minnkota On the onboard charger--I use the minn kota 230 (2 bank 15amp per) and love it. I just have it hooked to the trolling batteries as my outboard charges my starting/accessory battery. It was a bit more expensive than the NOCO above but does the job perfectly. Good LuckA 24-volt trolling motor at maximum speed draws around 45 or 50 amps, but definitely nothing more than 60 amps. The Maxxum 74 motor, for example, resides at 45 amps maximum draw. However, this number varies widely depending on wind, current, speed setting, boat weight, et cetera. You have to consider all these factors.The 24 Volt Minn Kota wiring diagram is a diagram that shows how the wiring should be configured to connect the trolling motor to the battery. It is an important component of the installation process and provides a visual representation of how the pieces should fit together. The diagram will include information such as the wire size, type of ...Longer Run Times and a Faster Charge. Another notable advantage of lithium trolling motor batteries includes longer run times without battery voltage drop and the potential for quicker charging cycles. Because of the way these batteries store and discharge energy, they are able to sustain higher input and output voltages for longer …Hey guys just a quick video of me installing a new battery charger for my boat. Hope you enjoy the video. Please like share comment and subscribe. Thanks ...The 4-wire trolling/charging system eliminates the need for a charge/run switch. Install the receptacle on the boat, mount the black plug on the trolling motor and the red plug on the leads of the battery charger. Simply connect the black plug to troll or the red plug to charge. Connects to trolling motor. Jumpered internally to supply 12V and ...12-Volt Wiring. Run the black wire from the trolling motor to the boat battery and loosen the negative terminal with a wrench. Slide the black wire over the terminal and tighten it down. Loosen the two terminals on the circuit breaker supplied with the trolling motor. Slide the red wire from the motor over one of the terminals and tighten it down.3 Wires Coming From Trolling Motor Plug Walleye Message Central. Trolling Motor Wiring Diagrams Minn Kota Motors. Trollbridge24 Information. 12 24 Volt Plug And Receptacle Boating Forum Iboats Forums. 12v 24v Wiring With 2 Batteries The Hull Truth Boating And Fishing Forum. Mercury Trolling Motor Motorguide Energy Series All Up Wire Diagram ...Most trolling motors use AGM or lead acid, both of which have a 50% depth of discharge (DOD), meaning it needs to be recharged when the battery level drops to 50%. With a 50% DOD, the solar panel must provide 50 to 65A. A more depleted battery will require a large solar panel or longer recharge time. Recharging at 60% or higher means a less ...The 4-wire trolling/charging system eliminates the need for a charge/run switch. Install the receptacle on the boat, mount the black plug on the trolling motor and the red plug on the leads of the battery charger. Simply connect the black plug to troll or the red plug to charge. Connects to trolling motor. Jumpered internally to supply 12V and ...Apr 20, 2023 ... JON BOAT BIMINI TOP GUIDE - Everything you need to know! MVB Outdoors · 17K views ; How to properly install wiring for a 24v Minn Kota Trolling ...Wiring for 24-Volt Motors. When it comes to wiring a 24-volt trolling motor, it’s essential to follow the correct connections to ensure optimal performance.By using two 12-volt deep-cycle marine batteries, you can power your motor effectively.The black wire from the trolling motor power cable should be connected to the negative …Step 1: Prepare everything you need. Get the necessary tools and equipment to wire your 24v trolling system. In this case, you need: two 12v deep cycle batteries; a battery connector cable; trolling motor power cable. Step 2: Check voltage by multimeter. Check the voltage on each battery and to do this you need a multimeter.Connecting two 12-volt batteries in series adds their individual voltages together to create a 24-volt battery pack. The series arrangement does not increase the capacity of the ba...When it comes to powering your fishing boat, the 24 Volt Trolling Motor Battery Wiring is a crucial component. The wiring is responsible for connecting the motors and batteries in order to provide power to the boat and ensure smooth operation. It is important to be aware of all the steps in the wiring process in order to properly install the ...When it comes to fishing, having a reliable trolling motor is essential for maneuvering smoothly through the water. Trolling motors that operate on 24 volts provide more power and speed than their 12-volt counterparts, making them ideal for larger boats and rougher waters. However, to ensure optimal performance, it is crucial to have a proper […]How to Wire a 24 Volt Trolling Motor. Wiring a 24 volt trolling motor requires careful planning and attention to detail to ensure proper functionality and safety on the water. Here is a step-by-step guide on how to wire a 24 volt trolling motor: Gather necessary materials: 24 volt trolling motor with appropriate wiring and connectors; Marine ...If your batteries need to be further away from your trolling motor, you can add wire extensions. Step 3: Be sure your trolling motor is in the off position. Step 4: Connect the first connector cable to the positive (+) terminal of battery number one and the negative (-) terminal of battery number two. Step 5: Connect a second connector cable ...Wiring a 24 volt trolling motor with a charger is essential for powering your motor and keeping it charged for extended periods of use. Proper wiring ensures a consistent and reliable power source for your trolling motor, allowing you to maneuver through the water with ease. Here are some steps to help you wire a 24 volt trolling motor with a ...I have tried wiring it direct to 24v but I end up blowing fuses. I am at my wits end trying to figure out if the problem is in the charger, the ...How The Trollbridge 24 Charger/Combiner Works The SmartShore Marine Trollbridge 24™ Charger/Combiner allows you to charge your 24-Volt trolling motor batteries from the 12-Volt alternator on your outboard. It will do the same with any single output 12-Volt charger, or even your trailer hookup.Wiring for 24-volt trolling motor wire up. The black wire leading from the positive to the negative is how you get 24 volts from two 12 volt batteries. Is this correct? The other question is: Where do I hook up the on-board charger cables. The charger has only a red and a black wire coming from the charger.Hey guys just a quick video of me installing a new battery charger for my boat. Hope you enjoy the video. Please like share comment and subscribe. Thanks ...3 Wires Coming From Trolling Motor Plug Walleye Message Central. Trolling Motor Wiring Diagrams Minn Kota Motors. Trollbridge24 Information. 12 24 Volt Plug And Receptacle Boating Forum Iboats … The Trollbridge 24 allows you to charge your 24-Volt trolling motor batteries from the 12-Volt alternator on your main engine, your trailer hookup, or any single or multi-output 12-Volt charger. It is designed to allow using your starting battery as one of the two (2) trolling motor batteries. It works automatically by connecting the 12-Volt ... If your batteries need to be further away from your trolling motor, you can add wire extensions. Step 3: Be sure your trolling motor is in the off position. Step 4: Connect the first connector cable to the positive (+) terminal of battery number one and the negative (-) terminal of battery number two. Step 5: Connect a second connector cable ...Attwood 7647 7 12 24 V 10 Awg 3 Wire Trolling Motor Plug Boatid Com. Is This Correct 24v System With Perko Jumper Switch Battery Charger. 24 Volt Trolling Motor Wiring Schematic Dc. Generator Charging Batteries Archive Walleye Message Central. Connecting Batteries In Series Minn Kota.Feb 29, 2012 · If all you have is the 1 charger you would have to disconnect the jumper wire between the 2 batteries and charge them seperatly, 1 at a time. The best way is to buy a dual (2 bank) marine boat charge and mount it in your boat. It will allow you leave everything hooked up and charge both batteries. There are several brands out there, Minn Kota ... Wiring for 24-volt trolling motor wire up. The black wire leading from the positive to the negative is how you get 24 volts from two 12 volt batteries. Is this correct? The other question is: Where do I hook up the on-board charger cables. The charger has only a red and a black wire coming from the charger.Connect-Ease trolling motor connection kits makes it easy for you to connect, disconnect, store and charge your Dakota Lithium deep cycle batteries. Connect two 12V batteries in series to create 24V. Includes on-board charging connections for easy charging (wiring only to connect to an onboard charger, this is not a charger).A 24 volt trolling motor requires two 12 volt batteries connected in series to create a 24 volt system. Connect the positive terminal of the first battery to the negative terminal of the second battery using a heavy-duty jumper wire. This will create a 24 volt power source for your trolling motor. Step 4: Connect the trolling motor.May 22, 2023 · Installing 24V and 36V battery system for trolling motor. Watch on. Learn how to install a 24v and 36v battery system for a tolling motor. Find step by step instruction and helpful tips to make sure the batteries are secure. The Trollbridge 24 allows you to charge your 24-Volt trolling motor batteries from the 12-Volt alternator on your main engine, your trailer hookup, or any single or multi-output 12-Volt charger. It is designed to allow using your starting battery as one of the two (2) trolling motor batteries. It works automatically by connecting the 12-Volt ...the wire to the trolling motor will be fine Drewcraft Specializes in Lithium Batteries and Chargers, We carry all Brands of Trolling Motors and Graphs, Minnkota, Lowrance, Garmin, Motorguide 910-722-0001 call or text [email protected]. ... have a 2017 919 that came with a 24 volt trolling motor. If I wanted to go to 36 volt beside adding a 3rd ...Wiring for 24-volt trolling motor wire up. The black wire leading from the positive to the negative is how you get 24 volts from two 12 volt batteries. Is this correct? The other question is: Where do I hook up the on-board charger cables. The charger has only a red and a black wire coming from the charger.I got my 24 volt system wired up so I can run 12v as well. I've got that covered. Can someone tell me where to connect the 2nd bank of my 2 bank charger (the other bank is for my starting battery). My guess is where the 24V trolling motor is connected.:confused2:. Id like to charge them simaltainiously instead of individually.A DC alternator charger is the best way to charge a trolling motor battery from your outboard motor. The charger turns on whenever the boat’s ignition key is on via a wire connected to the ignition switch from the charger. Then the power from the main battery is run through the charger and sent to the individual batteries.Apr 25, 2012 · Re: 12/24 Volt Trolling motor with Run/Charge switch wiring question Thank you Silver Tip. Any advice on how to incorporate the voltage gauge? The gauge reads up to 18 Volt. Is this completely useless for this set up, since I will be using 24 volt? Also will 50 amp fuses be sufficient. The motor is a 56 lb thrust. Batteries: You will need two 12-volt marine batteries to create the 24-volt power supply. Battery Cables: Use appropriately sized battery cables to connect the batteries in series. …Step-by-Step Guide to Wiring a 24V Trolling Motor Battery. Wiring a 24V trolling motor battery system requires careful planning and understanding of the electrical connections involved. A properly wired system ensures the efficient and reliable operation of your trolling motor while out on the water. Here is a step-by-step guide to help you ...Connect the other battery: If you are using two batteries in series to create a 24 volt system, connect the positive terminal of the first battery to the negative terminal of the second battery using another piece of marine-grade wire. This will create a 24 volt circuit for your trolling motor. 8. Test the wiring:Watch this video to find out about the Ryobi Cordless Trimmer and edger, which is powered by a 24-volt lithium-ion battery for quick charging and long run time. Expert Advice On Im...So, let’s see how you would wire a 24V trolling motor. To wire a trolling motor with 24V, join two 12V batteries in series using a jumper cable connecting two opposite polarity terminals. Then, connect the power supply’s positive wire to the nearest battery’s positive terminal and its negative one to the second battery’s negative terminal.Write a review. $89.99. Order by 4pm E.T. for May 10 delivery. The Connect-Ease® 24V Trolling Motor Connection Kit with Onboard Charging lets you disconnect and remove or replace batteries quickly without removing onboard charging-system connections, so …The 4-wire trolling/charging system eliminates the need for a charge/run switch. Install the receptacle on the boat, mount the black plug on the trolling motor and the red plug on the leads of the battery charger. Simply connect the black plug to troll or the red plug to charge. Includes the 2018BP-12, 2018BP-24 and 2018BR-MB24v trolling motor wiring diagram. The charger on the left side of the image is a 24-volt charger. The 24-volt charger is connected to the negative on battery 1 and positive on battery 2, inputting 24 volts to the series battery bank. My 24-volt charger is a Samlex SEC-2425UL (link to Amazon.com)Trolling Motor Wiring Diagrams. While smaller, lighter boats may only require trolling motors wired to a single, 12v deep cycle marine battery, larger boats may need trolling motors with higher thrust and 24v and 36v systems with two or three 12v batteries, accordingly. For 24v and 36v trolling motors, batteries must be wired in "series" in ...A 24v trolling motor is a powerful tool that is capable of providing the necessary thrust for efficient trolling. It operates using two 12v batteries, which work together to deliver the higher voltage required. One key aspect of understanding 24v trolling motors is the wiring configuration.Join the community on Discord: https://discord.gg/eFazn7EYcE- In this video I go detail the process to select the proper wiring size/gauge, connectors and ci...These schematics outline the necessary accessories/cables needed to connect trolling motors to 12 volt, 24 volt, 36 volt and 48 volt systems. DOWNLOAD ALL DIAGRAMS (PDF) BreadcrumbHow to Wire a 24 Volt Trolling Motor. Wiring a 24 volt trolling motor requires careful planning and attention to detail to ensure proper functionality and safety on the water. Here is a step-by-step guide on how to wire a 24 volt trolling motor: Gather necessary materials: 24 volt trolling motor with appropriate wiring and connectors; Marine ...Installing 24V and 36V battery system for trolling motor. Watch on. Learn how to install a 24v and 36v battery system for a tolling motor. Find step by step instruction and helpful tips to make sure the batteries are secure.

A quick battery basics video for those of you that wanted a little more of an in-depth explanation on 36, 24, and 12 volt, as well as series and parallel hoo.... Applebee's washington missouri

24 volt trolling motor wiring with charger

Step 1: Determine How Many Banks You Need. The first step is pretty simple. How many banks you need depends on how many batteries you plan on charging at the same time. You’ll want to have one bank for each battery you are going to charge. On most bass boats anglers will use either two or three deep-cycle batteries.Nov 30, 2019 ... A quick battery basics video for those of you that wanted a little more of an in-depth explanation on 36, 24, and 12 volt, as well as series ...Oct 19, 2023 · So, let’s see how you would wire a 24V trolling motor. To wire a trolling motor with 24V, join two 12V batteries in series using a jumper cable connecting two opposite polarity terminals. Then, connect the power supply’s positive wire to the nearest battery’s positive terminal and its negative one to the second battery’s negative terminal. Trolling Motor and House Battery (starter) Connection Kits. No more hassle with wiring anymore the perfect 12, 24 and 36 volt series connections EVERY time! Ideal for trolling motors on board chargers, depth finders, GPS, down riggers, live wells, power panels, and much more. Quick, easy install, 5 star reviewsPackage includes: trolling motor plug with 18” wire lead, receptacle with 24” wire lead, mounting faceplate, dust cap, 1-10 AWG splicer, 1 AWG ferrule, 2 AWG ferrule, 4 AWG ferrule, heat shrink, hex wrench and installation manual. ... Battery Charger Extension Cable MK-EC-15 $39.99 . View Details Social Menu Minnkota. Minn Kota Social ...Green LED on the Trollbridge 24 shows when 24-Volt output is active. Compatible with, but eliminates the need for multiple output chargers. Draws no current when off. No …May 22, 2023 · Installing 24V and 36V battery system for trolling motor. Watch on. Learn how to install a 24v and 36v battery system for a tolling motor. Find step by step instruction and helpful tips to make sure the batteries are secure. If you're in a pinch or some form of emergency situation, you can give your phone a little bit of charge with a nine-volt battery, your house key, and standard car charger. If you'...FOR MORE INFORMATION ON WIRING BATTERIES, PLEASE REVIEW CONDUCTOR GAUGE CHART. ... The following schematic outlines the necessary accessories/cables needed to connect a trolling motor 1 to a 24 volt system. Neg - Pos + Pos + Neg - Pos + 2 3 Neg - Pos + 4 Compatible Accessories 1 Trolling Motor 2 Trolling Motor Plug …Jul 23, 2022 · Stealth 1 Dc On The Run Charging. Mixed 12 Volt And 24 Primary Power With Three Batteries Moderated Discussion Areas. 36 Volt Trolling Motor Connection Kit With On Board Charging. Minn Kota 1821065 Digital On Board Marine Battery Charger 1 Bank 6 Amps Com. Conversion Of A 12 24v System To Straight. Short Tip Saturday #1: In this video I will show you the proper way to connect your batteries when installing a 24v or 36v trolling motor. I also explain the...A double bank charger is designed for two 12 volt batteries (24 volt motor). And a triple bank charger will charge three 12 volt batteries (36-volt motor). Portable, On-Board or DC Chargers: Portable chargers are fully mobile, but they need to be connected – and removed – from the batteries for each charge. On-board chargers are permanently ...Attwood 7647 7 12 24 V 10 Awg 3 Wire Trolling Motor Plug Boatid Com. Is This Correct 24v System With Perko Jumper Switch Battery Charger. 24 Volt Trolling Motor Wiring Schematic Dc. Generator Charging Batteries Archive Walleye Message Central. Connecting Batteries In Series Minn Kota.Oct 19, 2023 · So, let’s see how you would wire a 24V trolling motor. To wire a trolling motor with 24V, join two 12V batteries in series using a jumper cable connecting two opposite polarity terminals. Then, connect the power supply’s positive wire to the nearest battery’s positive terminal and its negative one to the second battery’s negative terminal. .

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