or save the time and go buy new cables for both positive and negative cables. There is a faulty, high resistance (often due to corrosion, wire defect or break or loose mechanical connection) connection at the battery post and/or at the vehicle ground(s) at the frame. had the abs/brake come on and the 4wd stop working as well as the heater/ac all at the same time,the IGN-3 4Wd,htr/ac and Hvac 1 on fuse block have gone dead ( no current),I have a 2005 GMC 2500 any idea's. The negative cable from the battery to the block provides a return electrical path for the starter motor, alternator, spark plugs, ignition coil and other electrical items mounted on the engine itself. I put on a new neg. Only show this user. Battery fully charge and brand new . Start there and let us know what you find. Both positive and negative battery cables get smoking hot when car is turning over and while started.. replaced starter and checked starter wire for possible shorts, no luck.. engine fires and dies, then no power to even turn the motor over, wires smoking by then.. Clean the battery posts with a small wire brush or cable cleaner and wipe clean with a dry cloth. I'm replacing the relay, both batt cables and the starter cable. My negative battery cable is smoking and is hot on the battery terminal when the car is running.I just put a new battery in last week but noticed a burning smell from the engine today. Apr 7, 2012. Some people first hear a hissing noise, while others see what appears to be smoke coming of their battery, while others may notice a foul odor that smells of rotten eggs coming from the battery. The terminal became loose and sparked. Test the negative battery cable by using the same procedure as above for the positive cable, but this time you will have the red lead of the multimeter touching the metal housing of the starter motor, and the black lead of the multimeter connected to the negative battery terminal. Just so, why is my negative battery cable smoking? Every car is different. 6 Battery Cable problem of the 2004 Ford F-250. I quickly disconnected the negative and did some troubleshooting. Some short circuits on any components in your car I am disconnecting the negative cable (red) from the battery post so it no loger drains. Refer to Battery Negative Cable Disconnection and Connection in SI. or cause smoke. They probably havent been changed in nearly 20 years now. While reinstalling my battery after working on my 94 sentra my negitive battery cable melted my negitive terminal. Mix your baking soda solution and place it in cups. Good luck i have a 2006 a6 3.2 195.00 miles. Remove the negative battery cable first and install last. #1. battery cable since the other was a mess. This would include the main power cable from the starter to the positive terminal and the ground cable from the negative terminal. Answer (1 of 10): Because you're putting too much current through them. Could this be as simple as the starter shorting or the alt being bad or a solenoid or what? CORRECTION. There is a bad connection ,replace the battery cable,and clean the battery post ,until it shines,any corrosion ,or black,or gray on the battery post ,insulates the connection. We're experts. battery and so far so good. I popped it and saw the negative battery terminal was smoking and was extremely hot to the touch. 0. I think the first thing you need to do is remove the battery cables inspect thoroughly for corrosion or breakage hidden by the . I took a look at it, seems the battery went bad with a bad cell (sucker was pretty darn hot). It is a new battery, cable, and lead. While reinstalling my battery after working on my 94 sentra my negitive battery cable melted my negitive terminal. It appears that water somehow infiltrates the covering of the cable and rots out the cable from the inside. Jun 4, 2008. If the cables are smoking hot with just being hooked up I wouldn't hook back up until you check the cables. Re: Battery - pos terminal smoking glowing red hot and. These are things what will make sparks, smell, and smoke. it is fairly common for battery cable replacements on this . The negative will go to a ground and the positive will go to the starter and to the alternator. Use to jump-start another car battery with a larger capacity. 00:00. Help!!! i pulled it off right away, and now the radio and sound system (premium) as well as the ciga … read more. . Looks to be an issue with the grounding cable from the battery. 1987 - 1996 F150 - negative battery cable smoking - so i may have solved the fuel problem in my truck, not sure yet. Replacing the negative battery cable on your car should be relatively simple. Posted on Feb 09, 2010. There is no engine light on battery light not on the car is running but the negative battery cable is smoking and hot.please help . I had to bag my starter the other day to get my truck started and left the truck running for about 12 hours straight as I was on a bit of a road trip. jeremy fountainthemowermedic1mail and business inquires [email protected]://www.youtube.com/themowermedic1https://www.facebook.com/themowermed. The negative terminal is not supposed to be hooked to the battery. If you replaced the solenoid and battery cable to it and still heating up cables, that's pointing to a shorted out starter, per my previous post. - hello all, this is my first post. The wire that was smoking looks like it might be ok, except for the rubber that burnt off. Soak each of the terminals in the solution and let it soak for the next 20 minutes. . Start by removing the battery terminals - the negative should be first. . 96 2.4L 5-speed. The second you disconnect the battery, the voltage regulator pegs the alternator to put out maximum power. Then, describe your "battery bank", how many cables are involved, and what each one is attached to. A6 / S6 (C6 Platform) Discussion - NEGATIVE BATTERY CABLE HOT AND SMOKING! Click to see full answer. Check the condition of the starter wires when they were installed. Well, the alternator harness started smoking and needs to be replaced. I am not sure I am posting this in the right section. If you don't you are increasing resistance and in turn it will run the winch, cables, and battery to run a lot hotter due to the added resistance, the extra ground cable makes the path of least resistance the easiest therefore making everything more efficient, run cooler and last longer. Disconnect the negative battery cable. Highway robbery if you asked me. Switch ignition to OFF position and disconnect the battery when servicing electrical system components. 0l diesel - engine fire. Then you have the I^2*R loss that heats the wire up. True. Yesterday while running my trolling motor, the negative cable began smoking right at the battery. DO NOT smoke around a battery, or use anything that produces an open flame or spark. If you had your negative jumper cable on the negative battery post or frame ground and put the positive jumper cable on the battery side of the solenoid it would have charged the battery. Sparks raise the temperature so the resistance increases so it sparks more & gets hot enough to melt the lead ( ~ 700 deg ) You can buy a lot of arc welding sets that will weld steel which run off a car battery. August 23, 2021 . Whatever alerts someone to a potential issue with their car battery and/or charging system, whether it is hearing it, seeing . Replace worn or missing battery hold down straps and pads to reduce the risk of battery damage and vibration. Looked to be some smoke damage on the alternator and the B+ post cover had completely melted. By negative wire, I assume you mean the black battery cable to engine ground? Electricity needs a complete unrestricted path from '-' to '+' (or vice-versa?). MEMBER. 1987 - 1996 F150 - negative battery cable smoking - so i may have solved the fuel problem in my truck, not sure yet. Second, disconnect the battery cables. Replacing the negative battery cable on your car should be relatively simple. Also if you have a loose wire connection you will get a very high resistances at the loose connection causing a wire to burn. I took the cables loose before the post started melting. Mark the positive cable with RED and the negative cable with YELLOW. a cause of premature battery failure. Next, get a new negative battery cable - that one has damaged the insulation if not the cable. AUTOMATIC. Looks to be an issue with the grounding cable from the battery. 3. Replace both ends of your battery connectors. Using a set of jumper cables place a ground between the battery negative cable and the engine block and between the battery negative cable and the body and now see if you see "smoke". The jumper cables also got very hot while trying to jump the car, even though everything was connected correctly. Still won't turn over. Cause: negative battery cable vibrated loose and caused ground on a/c to overheat and catch the a/c housing on fire. I installed the positive first then went to do the negitive and huge spark/smoke and I see my terminal melted on the one side. Neither would have caused anything to smoke. Fire resulted from attempt to start the vehicle in the owner's driveway on a cool day. 120,000 MILES. They won't clamp down on the battery anymore and you can move them around. A brand-new Chevrolet negative battery cable from the dealer parts department cost just shy of $100. Is the cable getting hot too? If you connected to the starter side of the solenoid the starter would have spun. The biggest reason a battery terminate or connection would get hot is the connection is lose.

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