Fusible Link Between Alternator And Battery

Surely any pull that the starter motor makes would draw on its cable to the battery and its earth connection The starter motor is still fully functional and starts the engine easily. They tend to be hidden in with the wiring harness bundles. I have changed the fuse a number of times and it keeps blowing just on this battery. I also have a heavy circuit breaker between the starter and battery mounted in the trunk near the battery. A fused connector between an alternator of the type having a threaded stud forming an output terminal and a cable of the type having a flat annular conductive terminal comprising the unitary combination of: a cylindrical non-conductive body having an outer surface, opposite parallel seat surfaces and an axial through-hole extending between said. R32 Gts-t Alternator Not Charging, Possibly Blown Fuse where the fuse link is. Also would need to be Bidirectional to give warnings when theres issues. ill trace it and see what i come up with. Now with the new alternator I am blowing my fusible link. fusible link. Got it all back together and still the alternator isn't charging. The one from the alternator to the positive battery terminal can cause some safety issues. fusible links on their factory auxiliary battery option for the charging wire. The wire that goes from the box to the alternator is 8ga fusible link wire that attaches to the bolt. But it was definatly the alternator fuse though. I did a parasitic draw test and found that under the hood fuse box the #20 (MG Clutch) fuse was the drain. Thebattery live terminal should be protected with a fusible link locatedunder the hood. 25 Volts higher than the battery voltage, the connection from the alternator to the battery is not good. It sounds like a bad alternator to me, it's possible that your old battery was fine but just not getting charged enough (although at 7 years old it's time to replace it anyway) If the alternator was bad, then driving to autozone and then back could be enough to drain the battery - particularly since it sat for a few days after that. Turn off all lights and turn the ignition switch to the "LOCK. Past the fusible link in my car this cable is orange brown color and it connects to the battery terminal (a distribution block in my case). So, if the alternator was good but the fusible link between the alternator and the battery was bad, that would be a symptom, correct? Would the car run and crank if there was sufficient juice in the battery but this fusible link was bad?. Alternator also only puts out 12. Now my car is dead. I have a master kill switch mounted in the center of the dash, and the ignition and alternator wires came with fusible links already installed by AAW. What color is it?. Replace the mega fuse (or in-line fusible link) and check to see what may have caused the mega fuse to have blown (after all, a fuse doesn't burn for no reason). Checking at the battery there appears to be no juice coming from the alternator. But your application is out of the range of any fusible link. There may be other fuses or protection for battery overcurrent. What's more, it should be protected with a fuse, circuit breaker, or fusible link. I had a fusible link problem a couple years ago and that was a real headache. Wiring GURU's: Fusable link or Maxi Fuse?? line running through the car. if your stock alternator is, say, 80A you should run a 100A fuse at the most. There is a regulator on the alternator. The circuit below is safer for fires, but not for surges if cutoff switch opens. with your alternator and charging system in general, the first thing you need to rule out is a bad battery. The box lid may help you find the fuse. 5mm, 18 AWG link and I suspect it's buried in the harness. Tech B says that the fusible link may be open in the alternator to battery wire. ill trace it and see what i come up with. 05 Highlander with a brand new battery and alternator but the battery keeps dying. I replaced the 120A alternator fuse and re-measured that same voltage drop at the same location and it only measured 0. RaceQuip's all new VESTA15 full face Snell SA-2015 helmet is a bold departure from traditional auto racing helmet styling. The ground leg of the field circuit is controlled by the PCM at pin 20, dark green wire. Connect a voltmeter across the battery terminals. Non-professionals are therefore strongly urged to familiarize themselves with the specifics of the charging system on their vehicles in general and the operation of the alternator in particular before attempting a diagnosis of code P0622 – “Alternator, field control -circuit malfunction”. This was more like a reddish orange fuse not a burgundy. if the voltage at the alternator terminal is more than 0. Bad ground between the battery negative post and the body, engine and alternator case. Yes, there are fuses between your battery and any wires leading to just about anything of significance in a car, because if there weren't, the car might catch on fire. A fusible link is not intended to be used in place of a fuse, only where a fuse cannot be used. The fine stranded wire will pass more amperage than course stranded wire that has a lower "strand count". If battery voltage is present, go to step 4). The starter is directly connected to the battery, as is the alternator. If this fusible link trips you will get a Check Alternator warning, the alternator will not work properly and go radioactive. Save on Fusible Links with great deals at Advance Auto Parts. I got this fuse at a local auto parts. fusible links on their factory auxiliary battery option for the charging wire. Maybe if I run a bass test tone at full volume, I'll burn out the fusible link? My amperage gauge for my stereo on full volume w/bass hits draws between 50-90amps. Hello wondering if anyone knows if there is a Fuse-able link between the starter and alternator. 6 on while starting. Do this by using a digital multi-meter. The wiring diagram shows Plymouth used a 16 gauge fusible link for both the 60 amp alternator and normal alternator wiring, so I'm not sure if I should use a 12, 14 or 16. Get the best deals on Other Car & Truck Charging & Starting Systems when you Car Battery Link Terminal Quick Cut-off Disconnect Master Kill Shut Switch Tool. Loose battery connections can cause an electrical system to "shut down" and then start working again, as can bad fusible links, so the connections between the battery and the rest of the electric system should be checked out thoroughly before anything else. When too much current flows. Could it just be the fusible link/main battery fuse? Could it be something other than the alternator? Also, the alternator is at the bottom, and I'm wondering if anybody has any guidance on replacing it. Other music was considerably less. 36, located in the fuse and fusible link box). Voltage is measured from this source. Replaced it. 4v at the back of the alternator when under loadeven the stock 120 amp alternator should do this. Check out the diagrams (Below). MN164187: POSITIVE BATTERY FUSIBLE LINK (EVO 8/9 WITH ACD) Genuine OEM Mitsubishi Positive Battery Fusible Link fits Mitsubishi Evolution VIII and IX models with ACD. If you have installed aftermarket accessories, probably the electrical system demand is too much for the alternator to handle; or this could mean alternator or regulator problems. Please let us know if you need anything else to get the problem fixed. Non-professionals are therefore strongly urged to familiarize themselves with the specifics of the charging system on their vehicles in general and the operation of the alternator in particular before attempting a diagnosis of code P0622 – “Alternator, field control -circuit malfunction”. Fusible links don't melt-down unless there is a short, and they are usually easily spotted by checking for a burnt spot and loss of continuity in the wiring harness. So far I have fuse box separated but with all the wireing harnesses you cant move it much to see anything and I don't want to wreck anything else. So, if the alternator was good but the fusible link between the alternator and the battery was bad, that would be a symptom, correct? Would the car run and crank if there was sufficient juice in the battery but this fusible link was bad?. Pearson Charging System Diagnosis and Service. By running a length of properly fused 2 awg wire directly to my battery switch from the alternator, I will be able to eliminate at least 12 feet. Provides a low resistance path between the charging system and the audio system, but only when done correctly. I have not power to anything won't click when I try and start no horn NOTHING. It is usually located near or on the side of the main fuse panel. I read that running an 8 gauge wire with a fuse from the alternator to the starter relay then another 8 gauge wire from the relay to the battery with a fuse. This starts the engine running, which puts the alternator into action. Do not throw away a broken fusible link. These are the wiring diagrams for that vehicle and both show that it has a fusible link (A111 Dark. the harness wire has been resoldered to fix it but I cant find where the fusible link goes. Learn how to give them new life with our step by step battery reconditioning guide. the voltage drop from the alternator tothe battery with a long wire can compromise the performance of. Alternator problems? Do a Fusible link test first - Duration: 4:44. Check the owner's manual or the manufacturer's service manual for the location of each fuse box. I suspect one of 2 things: Field wire, we weren't picking up voltage on the field wire. I ran a wire straight from the alternator post to the battery, no change in voltage. I did replace the 175amp mega fuse between the starter and alternator. Not a burgundy. Some blown fusible links are very obvious, they look like they were thrown in a fire. While this is one option to retrieve. Is the alternator’s drive belt tension within specification? Too Loose. Fusible links are perfect for what they do in a smaller current situation. This car also uses a fusible link between the alternator and battery so it’s possible that the starter chatter could be due to an intermittent weak battery caused by a fusible link end connection coming and going, which could be allowing the battery to sometimes fail to be fully charged. You can get an in-line fuse holder from an auto parts store, but the size of the clip connector is not easy to find. On rig where electric demand can be high, I think the bus can be done with a fusible link between it and the Ford type solenoid-relay. So I took off the alternator and Battery and had them bench tested, Both passed. Alternator Instruction Sheets. Please let us know if you need anything else to get the problem fixed. If this is the case, then I wouldn't have been able to drive my car down to the dealer with both a bad alternator fuse and bad battery. In older systems, the device was a fusible link. What size fusible link do I use underneath the battery that goes to the alternator? The fusible link is melted and needs to be replaced but I cannot tell what size it is and the only one I can get is an 18 gauge which is obviously too small. This leaves a continuously hot alternator lead running all the way to the front, unless the rear switch is a DPST switch and the alternator passes through a second pole. Non-professionals are therefore strongly urged to familiarize themselves with the specifics of the charging system on their vehicles in general and the operation of the alternator in particular before attempting a diagnosis of code P0622 - "Alternator, field control -circuit malfunction". They look like normal wires, but are normally labeled "fuse link" if you can read it through all the years of grime and dust. Related Post: Main Difference between Contactor and Starter. They are the only such kits available at any price. I woud just run the wire from the battery positive to the alternator battery post with no fuse, Just make sure you run it where it wont. To select the proper ampacity fuse, you would need to consider the current carrying capacity of the wires in the circuit. My factory charging wire did not have a fuse close to the alternator but instead went to the fuse box and then from there to the battery. PUt a battery charger on it just to see something, and the guage shows she gets 18 volts w/ charger attached. the fusible link may be open in the. Our charging system upgrade kits assure you that you will get every ounce of performance that your charging system is capable of. One of the key differences is how the internal voltage regulator determines charge rate. If you had something connected to one of the other fuses, one of those fuses would blow before the 200 amp fuse would. Page 2- 01 GT Good alt, good battery, no charge 4. Charging System Upgrade Kit Specifics. This is the one that I attached my tender's pigtail to. Battery lite still on. Learn how to give them new life with our step by step battery reconditioning guide. It should put out plenty of voltage that way, basically you are by-passing the regulator, but becareful not to allow it to keep putting "high" voltage in the battery. The solar panel was fitted when I bought the van a couple of years ago and it's worked great. Red wire fed by a fusible link. Fusible Links are generally located along the battery cables. They distribute power to the main parts of the electrical system and carry loads far greater than any automotive fuse can handle. Finally, the alternator completes this cycle by charging the battery. I'll check my wiring schematics and see if there is any kind of fusable link between the alternator output wire and the fuse block. The final step was routing a 4ga cable to from the fusible link to the positive post of the battery. Cost over $1000 to fix. as power has gone between battery terminals and not up the harness. This is the charge line from alternator to the battery. Fusible links are used instead of fuses, because links are more tolerant of current surges that may melt a fuse. Fuse Block and OBD2 Port Wiring Information - Part#'s for parts to build custom fuse block/relay sockets, OBD2 Port. After I installed the new alternator and let it idle 20min after reconnecting the battery it held strong at 14. Save on Fusible Links with great deals at Advance Auto Parts. Well, it took me awhile to find it as it was buried 50 pages deep in TECH, but here is the long 10 pages on my alternator/starter/fusible link problem. To answer that, I think I need to know what is the fuse protecting?. Also, check the "mega" fuse between the alternator and the battery. What type of fuse should i use. The light bulb doesn't come on under the hood even when a good battery is hooked up. 4GL DPDM in it. Fusible links are always smaller in size than the wire of the circuit in which they are installed. (You can read more about fuses here. Finally, the alternator completes this cycle by charging the battery. The starter is directly connected to the battery, as is the alternator. I understand that fusible link sizing is based on the wire it is on, but when looking for NOS parts you get part numbers and alternator amperage rather than a fusible link gauge number. I have a 6ga wire running from my alternator output to the starter's common battery post with no fuse or circuit breaker. PUt a battery charger on it just to see something, and the guage shows she gets 18 volts w/ charger attached. the coach batteries were drawing it down. Using a 300A fuse will protect the battery as well as the 2/0 AWG wire leading from it to the main + busbar. Finally, the alternator completes this cycle by charging the battery. Need help deciding how you’re going to power your beer fridge? This is a design guide for 12V systems or dual battery systems used in vehicle setups for touring and camping. They're covered with grey insulation. People often think that a dead battery should be discarded and pay huge bucks to buy a brand new one. If your battery's voltage is falling and continues to fall, there may be a break or fuse blown that's preventing the alternator from charging your battery. Before about 1980, there were no fusible links on alternators, but after that it is common practice to have a fusible link between the alternator and battery to prevent fires and wire burning up in the unlikely event that someone installs a battery with the polarity reversed or if a diode in the alternator fails. If you had something connected to one of the other fuses, one of those fuses would blow before the 200 amp fuse would. It will also reduce the amount of charging from the alternator to the battery. Anything greater means there is high resistance. I'm on my 5th fusible link now but ive not installed it. 8 and 14 volts under load. An open fuse indicates circuit problem(s) that may have an effect on the charging circuit. earlier was thinking I'd be fusing for the device. What's the amperage capacity of the alternator? One fuse link, between the battery cable connection at the starter, and the ammeter, is all that's really needed. That's the alternator terminal to the battery's busbar, and there are other fuses off the same busbar with fewer amps. Whoever had the car before I did had connected (it looked like in place of) a fusible link between the alternator cable and the side-post box it connected too. When the car is running the alternator produces electricity and the voltage should be above 13. Disconnected battery and checked continuity across the first fusible link on left side of fuse block. If you cannot read voltage here, a wiring or fusible link problem exists. People often think that a dead battery should be discarded and pay huge bucks to buy a brand new one. The fuse that blows is a 170 amp fuse between the alternator and starter. Thank you. But your application is out of the range of any fusible link. Battery Circuit Fuse Fusible Link Compatible with 2005-2015 Nissan. The red wire is the wire between the ignition switch and starter solenoid. Online shopping for Fusible Links - Electrical from a great selection at Automotive Store. This all started when the battery just went dead about a week ago(I think we now know it didn't just go dead, but the alternator just quit charging). BMW 2006 325I Battery or Alternator issues If this is your first visit, be sure to check out the FAQ by clicking the link above. Remove, clean, and tighten the connection where the battery power comes in. I have a 1992 Camaro with the 305 TBI. It installed fine but under throttle the engine would shift enough that the alternator body and a wire could contact the car's chassis and shorted out the main fuse. ah ha! doh. agree - I also have a fuse for the primary and the engine blower ( 15A in my case ) - having a fuse for charging between the alternator and the battery does not make much sense Quiddle Expert Member. Design Guide for 12V Systems – Dual Batteries, Solar Panels and Inverters. RaceQuip's all new VESTA15 full face Snell SA-2015 helmet is a bold departure from traditional auto racing helmet styling. Hi Everyone! I tried looking for the answer to this question on some of the other posts,but couldnt. Cost over $1000 to fix. Using my trusty ammeter, I find the drain in the fusible link box on top of the battery. I would replace the connection as soon as possible. Alternator wiring configuration does not affect ACR installation. Related Post: Main Difference between Contactor and Starter. If battery voltage is present, go to step 4). The wire that goes from the box to the alternator is 8ga fusible link wire that attaches to the bolt. Genuine Mopar Part # 68164797AA (68250245AA) - Terminal. Fuse is very loss cost device as compared to circuit breaker. Where does the alternator fusible link go in a 91 ltd crown victoria lx my alternator fan hit the harness wire shorting out the fusible link or so we think. Save on Fusible Links with great deals at Advance Auto Parts. The standard alternator for a '95 F150 is 95A (4 holes between each pair of ribs on the face), and it uses a single gray fusible link wire. I'm a new K3 owner, and I chose the K3 in part because of its small size, because I intend to install it in my boat, which is already cramped for. I pulled the alternator and took it to a shop today - it's working fine. This is a long post. Sure could use some help. IE, the parts manual has a particular fusible link for B bodies with a 60 amp alternator and a different number for my car. I noticed it's coming from the 7. Notice if any fuse or fuse link opens, the battery remains connected to the load or the alternator. Two fusible link's supply power , well it will read battery voltage if not open. you have confirmed that the alternator is not charging the battery for sure. Internal regulators use a special connector at alternator (Figure 3). For instance, for a circuit with 10 gauge wire, the fusible link is a gauge or two smaller than the circuit's gauge. If your battery's voltage is falling and continues to fall, there may be a break or fuse blown that's preventing the alternator from charging your battery. He says that this is the fusible link and may be bad and not allowing the energy to return to the battery? Battery last about a day or so, then it's drained. What size fusible link do I use underneath the battery that goes to the alternator? The fusible link is melted and needs to be replaced but I cannot tell what size it is and the only one I can get is an 18 gauge which is obviously too small. (Inside, Next to Battery, By coolant resevoir) I did find that the fusible link by the positive battery terminal was bad. Alternator Output Test. I recently switched my alternator because the original was not charging the battery. I'm looking at the terminal fuse with regard to the my battery's maximum allowed discharge current of 320A. I have a 2002 wrx that i have been having the same exact problem for the past 2 weeks and it has really been aggravating me replaced alternator 3 times battery cables and battery also, i just need the thing to charge and have read pages upon pages about alternator charging problems but really dont know enough to find where my problem is, where did you jump the black/white wire to the yellow. What Charge Sources will an ACR work with?. Just keep going. wiring between the alternator and the battery could cause undercharging. Follow the smaller red wire from the battery or the wire coming off the alternator to this link. 4) I removed the screw on the fuse block, and added a the end of the fusible link to the connection, making sure to maintain the original connection back to the battery. I'd use whatever the Cadillac used. Increase the output current capability of the alternator. Fusible links are always smaller in size than the wire of the circuit in which they are installed. This car also uses a fusible link between the alternator and battery so it's possible that the starter chatter could be due to an intermittent weak battery caused by a fusible link end connection coming and going, which could be allowing the battery to sometimes fail to be fully charged. There is no way a 10 gauge wire can handle 140a for a extended period of time. The fusible link is between the alternator and the battery positive post. Be certain that your battery is good. On "vee" type belts, don't over-tighten them. Do not rely on field disconnects in battery selector switches to prevent burning out the alternator diodes when your system is wired such that the alternator can be disconnected from all batteries. While this is one option to retrieve. Make sure the connection between the engine & the battery negative are clean & tight, make sure all the connections between the alternator output stud and the battery positive are clean & tight, be aware that there is a fuse in this link, you'll need to unbolt the fuse panel to check this, please disconnect the battery before working on this. my question is why would the fuse link be there?. typically, a factory alternator will already have a fusible link in the engine bay fuse box and it's usually 5-10A lower than the output stamped on the alternator. the Alternator passed 4 times to be sure. I am only getting 12. The final step was routing a 4ga cable to from the fusible link to the positive post of the battery. If the battery shorts, all of the battery power will be trying to get to ground. 2) A smaller, 30A fuse inside the power distribution box (#14 on my 1998), which provides battery power to the alternator's field winding regulator. It's connected to a small grey wire that is connected between the battery and the solenoid. The original harness connects the alternator to the starter and then the starter to the battery. I looked at fuses and they seem to be ok, also, I read they was fuse links between the alternator and battery and alternator and starter, but cant find them. Yes, there are fuses between your battery and any wires leading to just about anything of significance in a car, because if there weren't, the car might catch on fire. Disconnected battery and checked continuity across the first fusible link on left side of fuse block. Near the battery positive terminal you'll see the white sense wire coming from the alternator and the fusible link between it and the battery (should be a short brown color looking wire), simplest would be to remove it and join the white wire straight to the battery. Fusing between alternator and battery? Link to post Share on other sites I've never had a fuse between the alternator and battery. There was a blown fuse between the positive terminal of the battery and the positive output terminal of the alternator, that's why I was measuring 11. You stated 11. Fusible Link Between Alternator And Battery | Fusible Link Between Alternator And Battery | Battery Reconditioning guide showing you how to fix your battery instead of replacing it. It installed fine but under throttle the engine would shift enough that the alternator body and a wire could contact the car's chassis and shorted out the main fuse. CLEAR COAT COMING OFF ? WATCH THIS ! A trick to rejuvenate a car battery - Duration: 10:43. Check the OEM service manual for the location of each fusible link and proper circuit diagnostic procedures. Between the battery and alternator is a link called the fusible link. Fuse box on the top of the battery caught fire and melted the fusible link from the alternator to the battery connect. They are placed in-line between delicate harnesses and large sources of electrical current in your car—between the battery and alternator, for example. Save on Fusible Links with great deals at Advance Auto Parts. marksatterfield. Fuse box on the top of the battery caught fire and melted the fusible link from the alternator to the battery connect. The fusible link is between the alternator and the battery, connected with heavy wire. Alternatorman, alternatorelec, badbab. The first thing you want to do is to do a close visual inspection of your battery terminals and your battery terminal connectors. It’s most common use is in alternator wires. The radio is likely an unrelated issue. I just picked up a 1994 Chris Craft 268 Concept, and it has a 93/94 VP 7. For instance, for a circuit with 10 gauge wire, the fusible link is a gauge or two smaller than the circuit's gauge. Terminal 1 supplies power to charge the battery and operate the vehicle's electrical system. A better way to wire it would be a direct connection (with fuses at both ends) between the battery and alternator/starter. Rust or a loose connection will cause resistance, which could cause a multiple of problems. The circuit below is safer for fires, but not for surges if cutoff switch opens. (You can read more about fuses here. I have not power to anything won't click when I try and start no horn NOTHING. The primary symtoms are low voltage readings, weak starts, and premature battery and alternator failure on post 06 sprinters. So, I ordered a new alternator to swap out, but I'm curious if replacing the fusible link/main battery fuse might be the whole issue. The amp you are getting calls for a 300A fuse, and accepts 1/0 power and ground. It is usually located near or on the side of the main fuse panel. Watch the next video to see how you can do a simple fusible link test, a common problem that can trigger the battery or alternator light. could be wrong though. When the links fail the entire section needs to be replaced. Why did fusible link blow on battery and alternator wire glow hot? 1 Answer. No 12 volts and the dark green fuse link between the orange/black wires and the battery side of the starter solenoid has open circuited. Is the alternator's drive belt tension within specification? Too Loose. Internal regulators use a special connector at alternator (Figure 3). with your alternator and charging system in general, the first thing you need to rule out is a bad battery. Checking at the battery there appears to be no juice coming from the alternator. If there is a fusible link protecting the alternator, it can fry and your new alternator won't work. The alternator had been replaced twice and still nothing. Re: is it the alternator, belt, battery, or fuse? Go to a auto parts store and buy a volt/amp load meter ($20. The "A" terminal is the insulated threaded stud on the rear of the alternator. Assuming your wire is 2-gauge or larger, I'd use a 200-amp fuse. My cummins has a 100a fuse between the alternator cable and the under hood junction box. 6 on while starting. You have to disconnect the battery + terminal from the battery and stick the meter between the two. Have a blown alternator fuse and wondering how to change it? Did a little internet research but couldn't find exact comparison. My alternator/battery took a dump the other day. The fusible link is designed to protect the wires in the car. There is a fusible link from the starter motor to the fuse box under the dash. the voltage drop from the alternator tothe battery with a long wire can compromise the performance of. Battery dashboard light was not illuminated, so I was initially happy, but the battery was not charging. If this is the case, then I wouldn't have been able to drive my car down to the dealer with both a bad alternator fuse and bad battery. Immediately after setting the headlamps to high beam and turning the heater blower switch to the high revolution position, increase the engine. In fact i'd be happy to leave the link there and just fuse the alternator-to-battery link. Is the fuseable link(s) open? - There may be several fuseable links controlling battery voltage to the vehicle’s electrical circuits. Our charging system upgrade kits assure you that you will get every ounce of performance that your charging system is capable of. What size inline fuse do I need to use? Follow. Car won't start and you lost all electrical power? Check the fusible link. Online shopping for Fusible Links - Electrical from a great selection at Automotive Store. The main battery lead at the alternator must have battery … Continue reading "1998 Ford Windstar, Alternator Does Not Charge". In additon, GM has a 40 amp Mega fuse protecting the loads from the Auxiliary battery. Check the OEM service manual for the location of each fusible link and proper circuit diagnostic procedures. You risk an electrical fire and/or damage to the ammeter. Increase the output current capability of the alternator. Battery Wire Size per Voltage, Amperage Load and Length Chart below shows Minimum cable size to use (AWG wire). Loose or defective alternator belt. Loose battery connections can cause an electrical system to "shut down" and then start working again, as can bad fusible links, so the connections between the battery and the rest of the electric system should be checked out thoroughly before anything else. The entire power is out as a result of a blown battery fusible link. RE: Alternator Fuseable Link BlowingHelp! IP: Logged Message: I may have got my colors mixed up. Related Post: Main Difference between Contactor and Starter. Past the fusible link in my car this cable is orange brown color and it connects to the battery terminal (a distribution block in my case). One between the battery and the relay, and the other between the relay and the starter. 6 answers 6. 2v or lower is a failing battery If battery starts to lose volts just by having meter connected it is a bad battery Car batteries are not made to be drained below 12v, they have thin plates so they can discharge high AMPs, for starter motor, quickly, and then take a quick reCharge above 14volts. The fine stranded wire will pass more amperage than course stranded wire that has a lower "strand count". After replacing the fuse the car started up fine but upon driving home and shutting off the vehicle and trying to restart it I found that it didn't crank anymore. This was more like a reddish orange fuse not a burgundy. When replacing fusible link, the wire gauge JT&T (209F) - 16 AWG Black Fusible Link Wire with 1/4" Stud, 1 Ft. Immediately after setting the headlamps to high beam and turning the heater blower switch to the high revolution position, increase the engine. Electrical Issues: Fusible Links Description. So, if the alternator was good but the fusible link between the alternator and the battery was bad, that would be a symptom, correct? Would the car run and crank if there was sufficient juice in the battery but this fusible link was bad?. Usually a good sized circuit breaker mounted in the engine compartment. As a result, I put a circuit breaker on my "Big 3" charging wire. Using my trusty ammeter, I find the drain in the fusible link box on top of the battery. You risk an electrical fire and/or damage to the ammeter. typically, a factory alternator will already have a fusible link in the engine bay fuse box and it's usually 5-10A lower than the output stamped on the alternator. The alternator end of the wire, being closer to the engine, probably has a higher temp and should burn before the other end. Two, actually. My battery fuse keeps blowing? my neighbor hooked my battery up backwards and it blew the battery fuse and now everytime i put a new fuse in an go to hook the battery up as soon as i touch the positive to the battery it blows the new fuse what and there is NO power to the car at all and its a 1990 honda accord LX someone help me out please. The beginning of this year I noticed the 10amp fuse blowed between the controller and van battery. One between the battery and the relay, and the other between the relay and the starter. I believe the separate charging wire, like you installed, is a good solution to this problem. My car would overheat when the fuse went.