The Red and Black cables are both positive. WebIf you did not have those sparks before, it is possible that you crossed the starter wires somewhere. If the ground wire was touching the metal, it would have drained the battery, and if the positive was touching the metal, it would have affected the battery. But loud pops or big sparks are not normal for a car battery. It sounds like your vehicles alternator isnt re-charging your battery when driving or that you have a bad ground somewhere that is causing it to spark and slowly drain the battery. A battery can spark due to other reasons. If you get another big spark, unhook everything and do some further battery troubleshooting (follow my guide here). If you damage the terminals, you may need to replace them, so make sure to bang the battery cables together. The more electronic devices are on, the more it will make a spark. Forget color. The electrons dont know what color the wire is. The idea is to connect the positive terminals together on both batteries. Doesnt ma This is because if the positive cable is disconnected first, there is a risk of creating an electrical spark that could ignite any flammable gas that may be present in the engine compartment. Electricity is flowing through this and will result in a shock. Usually, when the black wire comes in contact with the negative post of the battery, it may spark. One way to create a plasma, like the Sun does, is to just be so hot that there are always these random thermal "kicks" knocking electrons off of atoms. However, a new car battery does not need to be charged, but the old one does. The lights may become dim and the starter may not be able to start the engine. If the ground wire is bad, then the battery cannot be charged. In very simple terms, if theres too much electricity in a part that cant handle it, the electrons branch out into the air. Watch the positive cable going to the starter and make sure that it does not touch the case or the engine block. How Long Can a Battery Last on Accessory Mode?

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