Blown fuse on positive battery terminal. Problem is, I can't.
Blown fuse on positive battery terminal. I went to kia and got the 150A fuse, although the original wasn’t blown it was definitely melted and in poor condition. All i actually need is the 2 foot long wire that goes from the battery to the starter that has the fuse included in it. But started her up after and had the battery light and the parking brake/brake warning lights on. The car’s computer system is malfunctioning. When the terminals are incorrectly connected, it creates a short circuit, which can lead to dangerous outcomes like blown fuses, damaged Customer: Hello, my 250 amp fusible link keeps blowing. I've already bought the new block, but I'm having trouble getting it installed due to this one bolt. One possibility is that there is a short circuit somewhere in the electrical system. On the one side, there is a 250A fuse which feeds the main power distribution, but the other side is empty. There is also another fuse there marked 350 amp. Watch this video. she will replace it. Jan 12, 2019 · Sometimes battery terminals could be wrongly connected voluntarily or involuntarily and as a result like every other electrical circuit, in order to protect other devices or electronics the fuse is blown or disengaged. We will be looking at common symptoms and fixes to this problem. Jul 21, 2023 · I ha e a 2017 limited without aux battery it does have the fuse array on top the positive terminal I'm guessing is with all pacificas. Dec 28, 2018 · 2009 Nissan Altima 2. Also, if you see that the wire between the prongs has melted, you will know the fuse has blown. Black wire from battery to inverter. Car won't turn over, but dome lights work. Sent from my SM-G970U using Tapatalk First, remove the fuse you want to replace from its location and unscrew the fuse holder parts. I was also told that there is an updated wiring harness (which I bought) but it is different from the original part. The battery is dead or dying. How do I Feb 21, 2014 · Hi all, I have a friend that put his winch on a post on the positive battery terminal without thinking about the fuse on there only being 80A. com Sep 21, 2022 · The best way to fix a blown a fuse on your positive battery terminal is to clean it up and tighten the connection simply. Before doing that I had no power whatsoever. The part in question: The blown fuse: Sent from my DROID RAZR Aug 25, 2015 #8 Jun 14, 2012 · Each fuse cost 130 dollar ( manufacters fuse ) on the dealership. $32 ea. Connecting the terminals incorrectly can lead to a blown fuse, damage to your electrical system, or even a dangerous explosion. Does anyone know the size of a replacement fuse or what I need to get exactly to replace it? Jul 8, 2024 · Improving Vehicle Safety: The positive battery terminal fuse is a fuse assembly installed on positive terminal of a car, when the current exceeds the rated value of the fuse, it can quickly cut off the current circuit, always safeguarding your and your vehicle's safety Is Your battery fully charged but you have no power to your Nissan vehicle. It'll be the one with the blue mark in the picture. to/32x39fp Best Headlamp for working on Engine https://amzn. Aug 12, 2017 · A "Ram 1500 battery restore fuse" refers to the main fuse located at the positive battery terminal of a Ram 1500 truck, which is designed to protect the electrical system from excessive current draw and needs to be replaced if the battery is completely dead or if the electrical system experiences a significant overload; typically, this fuse is The electronic system may not function correctly even when the engine compartment and internal fuse box’s individual fuses are not disconnected. com FREE DELIVERY possible on eligible purchases Sep 5, 2022 · Blown Fuse If you connected the positive and negative battery terminals in the wrong way to safeguard other components from serious damage, a blown fuse happens and causes the car to not start. It was a quick spark, didn’t think much of it. Sep 20, 2022 · Why Does Fuse Keep Blowing in Car? If your car’s fuse keeps blowing, it’s important to figure out why. Learn how to fix battery problems caused by a blown fuse. Aug 17, 2015 · 2009 - 2014 Ford F150 - blown battery Fuse - My 2014 F150 has quit charging. to/34zLWDT My positive battery terminal has a 60 Amp fuse like this on top of the battery terminal. The dashboard lights are off, and everything is dead. Repairing broken battery terminal, fuse, circuit Sep 4, 2014 · That fuse is for the alternator, so if it's blown then likely you won't get any charging. Be sure to change the fuse with the same amperage. Although the engine was cranking it wasn't firing up, eventually blowing the same fuse. Jul 6, 2025 · Here are some common symptoms of a blown fuse: The car won’t start. Understand Car Battery Terminals – Learn how to safely install and remove car battery terminals with this clear, step-by-step informational guide. Follow proper jump-starting procedures and maintain to avoid costly repairs. After the first fuse blew, I added a ground wire from the chassis to the battery. Main Car Fuse - Battery Fuse Main Car Fuse - Suzuki #carmainfuse #batterymainfuse #suzukibatteryfuse Getting the jump leads/starter leads crossed or putting them on the wrong battery terminal Found a blown fuse for Trailer BK Up under the dash but not other issues. It is done by locating the blown fuse, removing it, and replacing it with a new one. Now his X won't start. Jan 30, 2025 · The positive car battery terminal is typically marked with a “+” sign and is often red in color. Your best best is that if you don't see the #80 fuse on the positive p Apr 23, 2024 · Instead of connecting the positive (+) cable to the positive battery terminal and the negative (-) cable to the negative battery terminal, you hooked them up backward. When I attempted to fix the fuse it is feeding a direct short. After doing that it's like I have a dead battery. Replace the battery fuse: Take the new fuse and compare the markings on both the battery fuses. Often the main fuse blows when accidentally touching the wrong battery terminal when boosting a dead battery. Aug 14, 2021 · It's usually installed at the positive battery terminal or in the fuse box, connected to the battery positive cable. Checked all the fuses (dash panel and engine fuses on driver Oct 30, 2022 · Below is how you can use your test light to check for a blown fuse. The battery (cables off) metered at 12. If I cant get it does anyone know what amperage that fuse is? I can just make my own cable with a fuse in it of the right amperage Jun 15, 2020 · I was looking for the fuse block that is part of the remote positive jump terminal under the hood. What does that. New starter also. You might need to take the protective red cover off to see it. Its corrosion-resistant design ensures durability, while the compact size fits neatly near the battery. This link may assist you in testing this as well. The electrical system is malfunctioning. 5L keeps blowing the 250A fuse from the battery terminal. Check the electrical system for any signs of damage or wear. Then i took it out and saw that the 150A fuse was blown. Swelling or leaks from the battery are serious warning signs. Then, the fuse should be carefully re-inserted into a new holder or directly into an electrical circuit. Always replace a blown fuse with one of the same rating. My husband went to put the battery in and he hooked it up backwards, twice!! Needless to say, the fuses that come off the positive battery terminal were blown. Would like to add a 40A fuse on the other side for charging my truck camper batteries. Jun 8, 2021 · So I blew the fuse on the positive battery cable when I was changing my oil when I slipped and arc’d the oil filter wrench to the alternator. 5s coupe that keeps blowing the 250 amp fuse thats on the positive cable of the battery. No lights or power otherwise. Oct 17, 2016 · I was about to do some work on my car and was removing the negative battery terminal and didn't realize I had the extension on my socket until it was too late--the socket wrench touched the positive terminal for a moment with sparks. In such case the cause of the problem may be disconnection of the main fuse (BFT type), which is located inside the positive battery terminal (+) cap. - Does anyone know where I can get one this weekend? This fuse is part of the positive battery cable clamp and is a 125 amp fuse. Feb 1, 2024 · In addition, it is also vital to make sure the connections where the battery fuse is attached are clean and free of corrosion. If you find that your inverter is Mar 4, 2019 · Does anyone know what the fuse is called or how I can find them fuses?? I was taking off my vararam air intake to install a catch can the ratchet hit the positive battery terminal and when after I installed everything and put everything back, I started up the truck and I had a stored message Nov 11, 2017 · 2015 + Expedition & Navigator - I have a blown fuse on the battery cable connection. Symptoms of blown battery fuse comes in various ways and in different forms in most vehicles. 5A fuse or replace the 150A fuse. If the electrical system does not work, first check the driver’s side fuse panel. Keep your car running smoothly with this essential part. Many assume fuses can go on either terminal, but this misconception risks damaging your vehicle. So I needed a new battery terminal for the positive cable. Nov 14, 2021 · i have rep;laced the altenater the cable between the altenater and battery and it still keeps blowing the main battery 140 amp fuse . I have to take that part off to use on the new fuse block. ABS, service airbag,emergency track, tractions, gas gauge saying low when half full. Need help You just need to replace the damaged or loose fuse or the positive battery terminal along with the fuse panel. Problem is, I can't Sep 10, 2008 · "Common" Fuse keeps blowing upon connecting the battery terminals Hi guys, Everytime i connect the battery up to the car, the common fuse blows. However, the dealer by my house never has anything in stock. kind of extension to it so I can cut the burned out section off and recrimp the uncorroded wire to the fuse block and use an exntension to make it long enough to successfully fit onto the positive battery terminal? Aug 11, 2019 · Does anyone know the name\\type of fuses that sit within the positive battery terminal?? One of mine has blown which had rendered the car completely dead with the exception of the alarm and interior lights. If a fuse has blown, the element inside the fuse will be melted. Jan 6, 2019 · The fuse that blew was a 30amp fuse that was inline with the positive battery terminal. It's connected to the positive battery cable and it Sep 9, 2019 · I have a question. so my question being on this positive terminal fuse A blown battery fuse can manifest in various ways, depending on the specific electrical circuit affected. Mar 18, 2022 · If you need to test a fuse in your car, this article and video will show you how to easily with a test light. The next day attempting another start the car blew the same fusable link. Test electrical systems: Turn on lights, radio, and other electrical components to check for functionality. The starter is functioning well, and I just installed a new battery, but that fuse has blown twice. Blown fuses on positive battery terminal!!! I have a 2017 Mitsubishi Outlander Sport, my battery was completely dead, so I bought a new one. Corrosion can cause electrical resistance, which can lead to a blown fuse. Also could be something as a chafed wire that intermittently contacts ground and pops the fuse. How do I May 12, 2017 · At this point, I realize that the positive terminal will no longer lock down on the positive battery post any longer ~ I guess I went crazy with that battery cleaner tool on the terminal and post. Aug 16, 2025 · Yes, the fuse should always be installed on the positive battery terminal. It also protects the battery from an alternator overcharge. to/2Lscboq Tester Kit w/ Fuses (Except 80amp) https://amzn. I'm stationed in Germany but I need to know what it's called so I can order it if that's possible. I recently replaced the alternator. Cube fuses at the battery provide protection for the electrical circuits connected to your battery (as well as the battery itself) by eliminating unprotected sections of cable between the battery and the first fuse. The terminal ends are made of heavy-duty highly conductive metal with low electrical resistance like lead. Monitor charging system: After restarting, check if the battery warning light stays on, indicating alternator problems. This mistake often results in sparks, electrical fires, or even permanent damage to the car’s components. Could anyone tell me what items are connected to this circuit? I've checked all my points and plugs and the harness doesn't seem to be shorting anywhere We would like to show you a description here but the site won’t allow us. AutoZone has all the parts you need to address issues with your battery, including the best battery fuses for cars and trucks. The first step is to connect your test light to the negative battery terminal or a good ground. Customer I disconnected the alternator and then reconnected the positive cable to the positive terminal on the battery, but the fuse still blew. how to make the old fuse work until you get a new replacement. It also took me a couple hours of checking every other fuse and relay to realize there was a fuse here at all. (of course, if the positive terminal. What will happen if you refuse to fix a blown fuse on battery terminal. Jan 5, 2017 · 2009 - 2014 Ford F150 - Battery terminal fuse blown 250A? - Got in my truck yesterday to go to work like any other day. How do I reset all these lights? May 29, 2006 · The positive side is really confusing to me because of the attached fuse box and what looks to be four separate groups of cables coming off. If the replacement fuse blows, this indicates an electrical problem. Oh yea, Sep 5, 2024 · The fuse on the positive battery terminal is a seemingly insignificant component that plays a significant role in protecting the vehicle's electrical system from damage and ensuring the safety of its occupants. 2010 Nissan Sentra stopped running driving down the road. This process may be applied to most car but some cars have that fuse in other places. When a fuse blows, it’s essential to: Identify the cause of the blown fuse. Unfortunately a rainstorm just came through so haven’t been able to get the 7. A common circuit that uses a cube fuse at the battery is an inverter. In this article, we’ll explore the potential reasons behind the recurrent fuse blowouts, common culprits that lead to this issue, and the systematic approach to identify and resolve the root cause. Jul 22, 2023 · When this fuse repeatedly blows, it indicates an underlying problem that demands your attention. Regularly inspecting and cleaning the connections will help to reduce this risk. Jun 2, 2022 · It sounds like the positive battery terminal (Or some high power circuit connected to it) is close enough to the chassis in some spot that the twisting and torquing of the engine under hard acceleration allows the short to occur. Car still will not start, even after being jumped, although all lights will come on, only engine will not turn over. Lucky for you, that fuse is around $32 at the dealer. I can't find it online or at any parts houses. I go ahead and drive to work Jul 28, 2025 · Best Fuses for Positive Battery Cable Protection Blue Sea Systems 5191 MRBF Terminal Fuse Block This marine-grade fuse block is ideal for high-current applications, handling up to 300A. Understanding battery Jan 24, 2018 · Which is 200 dollars and the entire positive and negative battery cable assembly. Or due to high resistance. Sep 12, 2010 · (Inside, Next to Battery, By coolant resevoir) I did find that the fusible link by the positive battery terminal was bad. # 2012 Chevy Silverado 1500, 4. Disconnect the negative battery terminal, followed by the positive terminal of the battery. This placement prevents dangerous electrical fires and short circuits. This happened even after I soldered the fuse back together. I conected this fuse as a bridge and so this would be acting like the manufactures fuse thats attached to the terminal itself. blown wire lead to? And can I add some. It’s Jun 16, 2022 · Buy Battery Fusible Fuselink Fuse w/Positive Battery Terminal 150 Amp Single Pole Fuselink with M8 Nut and The M6 Nut for Fuse Connection Replace 18790-01318: Fusible Links - Amazon. Main fuse keeps blowing when reconnecting battery after charging/optimising over Christmas. I have a positive wire running from my battery, kill switch, 50amp fuse and into the 300w inverter. Suddenly, you see a scary spark, and your car dies. Test components in the related circuit for regular Locate the under-hood fuse box near the battery and check the main fuses and fusible links. Replaced it twice. Replace the fuse with a new one of the same rating. After the third fuse blew, I installed a splitter on the positive battery wire. It's a 2013 Maxima SV. 8L Blew mega fuse. Otherwise, you’ll just be replacing fuses over and over again. Also, during my research, I came across a post that advised to connect a fuse at the positive terminal since it would protect both circuit and the battery, but if the fuse is connected to the negative battery terminal, then it only protects the battery. My truck has no power at all after replacing the battery. There was an additional 30A fuse on the converter itself that did not blow. Reconnect the battery. Battery Fuse Tips & Tricks. Battery cables looked really bad so d Customer: On my 2018 Nissan maxima my fuse holder keeps blowing out Mechanic's Assistant: Do all the fuses have the correct amperage for the circuits they're in? Customer: Yes, it's the 250A that keep blowing out Mechanic's Assistant: Are you fixing your Maxima yourself? What have you tried so far? Customer: Yes I am working on it myself. The fusible link continues to blow for some reason. Common signs include dim or flickering headlights, malfunctioning accessories such as the radio or wipers, or a complete loss of power to the vehicle’s electrical system. Here's an affiliate link to the Fuse and Tester Fuse https://amzn. . Take the new fusible link and fit the new fusible link in the same location using your plier to twist the wires together. Whatever is hooked up to that side will not be getting power. Again it also takes place for some internal tracks or blown fuses. I can jump the fuse to get the truck started, and I drove home once and replaced the terminal. Potential Reasons Behind The Recurrent Blowing Of The Positive Battery Terminal Fuse Short Circuit in the Electrical System Corroded or Loose Battery Terminal Feb 26, 2025 · Connecting the positive terminal to the negative on a car battery can cause serious damage to both the battery and your vehicle’s electrical system. This helps differentiate it from the negative terminal, which is usually black and marked with a “-” sign. Also. The car will no longer start. How does one replace that fuse? I tested the Mazda 3 positive battery terminal fuse and found it to be reliable and long-lasting. Mechanic's Assistant: Anything else you want the Customer: The fuse that connects to the positive battery terminal is blown and I was told by our local MB dealer that it is common problem for ML500 (I have a 2003 model year) and that replacing the fuse will not permanently solve the problem but will keep on blowing. Most fuses attached to the battery are 80 or 100 amps. Customer: 2005 SCION XB, replaced dead battery, and blown ring terminal fuse on positive battery terminal junction box. I would be inclined to get a replacement fuse and swap that out before trying to drive it, so you don't end up on the side of the road with a dead battery. Here’s why it matters. After replacement, ensure correct cable polarity when jump-starting to prevent further electrical issues and protect sensitive electronics. There is a buzzing sound when connected (starter motor?) despite no ignition and a blown fuse. It is all one solid piece though. You can use a wire brush to remove corrosion and a wrench or pliers to tighten the connection. Find out how to check fuses without removing them with these steps from expert mechanics. I have the negative running to the battery - post. See full list on bryansgarage. So fyi - there are 5 fuses on the positive battery terminal in addition to the three fuse panel locations. Perfect for cars, boats, and RVs, it provides reliable overcurrent protection without bulky inline fuses. Inspect battery cables and terminals for damage or corrosion. then. The alternator belt is in good condition. Oct 14, 2024 · Well, the fuse on the left is definitely blown. Customer: I accidentally touched the positive cable terminal on my battery, and I think the fuse has blown. no reason why I won't be pushing at least 1000 watts continuously when driving with music. Make sure that the readings match. Can a bad battery cause fuses to blow? Jul 18, 2025 · But have you ever wondered about the mysterious plus and minus signs on your battery terminals? Knowing which is positive and which is negative is crucial for safe and effective car maintenance. But now all dash lights came on after replacing. Apr 29, 2015 · That fuse is there to protect the vehicle from a shorted/grounded positive battery wire or an excessive draw on the electrical system close to the battery. Aug 11, 2023 · The battery is brand new, just got it yesterday. Do you know the bad battery terminal symptoms? Jan 4, 2023 · After replacing the blown positive battery cable fusable link the 07 Mada started up ran around town for awhile, and was parked. The key may not even turn the ignition. I noticed a 250 amp fuse on the battery post is open. Well the other night it blew and I couldn’t get my car to start so I first replaced the battery ( it was old) then I figured out it was that fuse. This fuse is part of the positive battery cable clamp and is a 125 amp fuse. A common, easy fix you might need to make at some point is replacing a blown battery fuse. Nov 23, 2024 · 2) Inspect for Obvious Damage— Look for signs of melted wires, blown fuses, or damage to the battery terminals. Hopefully that is the only reason the battery light is on. So back to AZ. The positive side carries high current flow, making protection critical. I have connected the positive first every time, and it is connected the right way. Cut out where the fusible link is bad and remove it. When I go to turn out of my driveway the steering is stiff but not unmanageable. When the second battery fuse blew, I replaced the entire battery ground wire, and while doing that, I also replaced the positive battery terminal due to some corrosion. no wonder why the fuse blew) The truck is under warranty, I was wondering if anyone But, it is possible to change the blown fuse yourself if you are familiar with your car’s electrical system and what tools to use. Have you ever opened your car’s hood and wondered which terminal is positive? Connecting battery cables incorrectly can lead to serious electrical damage. Next, test your test light by touching it to the positive battery terminal. so i went to a electronic store and bought a 150 amp fuse, a fuse holder , and some #4 wires. We would like to show you a description here but the site won’t allow us. I can't figure out what I actually need to buy to repair or replace it. May 10, 2020 · I have my charge controller battery load terminal positive wire running into a kill switch, then to a 20amp inline (Renogy) fuse ending on the + battery terminal. There are a few possible reasons for a fuse to keep blowing in a car. Nov 15, 2010 · One of the fuses that connect to the positive side of the battery terminal is burned out and I don't know what it is called so I can replace it. Installed the replacement part (68089468AA) and plugged the batteries back up and the lights came back on. What would cause this?? Once removed, check the fuse with a multimeter to ensure that the fuse has blown. You can see that the 175A fuse goes to the Rear Power Distribution Center and that the unfused lug goes to the Positive Remote Jump Post at the front of the car and connects to the starter, alternator, and other stuff. (welded my needle nose pliers shut. I bought a cable from the auto parts store and bypassed it. Feb 21, 2020 · View attachment 13902 On the 2018 Giulia, the battery and the BDU are in the trunk. Replace any blown fuses with exact matches. Best Fuses for Battery Terminal Protection Blue Sea Sep 18, 2012 · On mine there is a fuse built into the positive battery terminal. Trailer home and discovered the scanner could not find ECM. Nov 26, 2012 · Im trying to figure out a way to remove the whole fusable link and replace it with a fuse box or inline fuses, so I can put regular battery terminals on my car. Gonna look and see if I can just clean up the connections and put new fuses in and if that will begin charging Jun 28, 2019 · Connect two fuses, one at the positive and one at the negative battery terminals. When it dies, the fuse that connects to it is readily blown. Nov 18, 2007 · Depends on what loads are on the circuit of the fuse that is blowing. I jumped the fuse and got the Aug 26, 2015 · Here are a couple pics of the old one. (No this wasn't me!) He used his winch and blew the fuse. this last time, Friday night, November 2, it happened for the third time. Address any Apr 25, 2023 · Learn how to prevent and diagnose damage caused if you accidentally reversed jumper cables. Apr 3, 2015 · On my 2015 Ram 6. I have a 2009 Nissan Altima 2. Jan 23, 2022 · ok I have a 2007 Nissan Murano that I've only had for almost a year now and I've replaced the alternator and battery in that time, but as of recently my car wouldn't start and I couldn't figure out why until I noticed that it had a fuse connected directly to the positive battery terminal and it Customer: The fuse that connects to the positive battery terminal is blown and I was told by our local MB dealer that it is common problem for ML500 (I have a 2003 model year) and that replacing the fuse will not permanently solve the problem but will keep on blowing. Before replacing an open fuse, disconnect the negative battery cable. Dec 4, 2022 · 2009 Nissan Titan LE Three times recently, the fuse in my battery fuse terminal has blown. The alternator is the first component to get damaged by reversing the polarity, if you turned the key the starter circuit would possibly be damaged. Replaced it and checked all the small fuses and none were blown. If you are facing problems with the battery terminals, I believe this article would be really helpful! Reasons & Solutions To Fix Battery Positive and Negative Terminals Melted A battery terminal usually melts either due to cable issues. I was able to run down to the Dodge dealership and get a replacement. All of the sudden my battery alarm goes off and the big red battery shows up on my dash. Apr 7, 2025 · One burst of pretty light and a puff of smoke later, I now have a car that won't start and a blown positive battery terminal fuse block. 16 volts. I checked the fuse that sits off of the positive battery terminal and it is not getting current through it. Sep 9, 2025 · Check fuses: Inspect all fuses in the vehicle's fuse boxes and replace any that are blown. The fuse that connects to the battery terminal keeps blowing. 4, the positive battery terminal has room for two fuses. so I'm adding a 1200/1 amp along with a 2 subwoofer in the van. If it lights up, then it is in good working order, if not then there may be a bad connection or a blown bulb. mi4au5q 5dri s7o g3nknz tqqn jjudu6 vl1eir jhjy zvunc 06eob