Does incorrect battery cable connection causing smoke affect vehicle circuit lifespan?

1 Answers
McBrady
07/30/25 2:11am
Incorrect battery cable connection causing smoke does not affect the vehicle's circuit lifespan, as during the jump-start process, the current only flows through the cables connecting the batteries and does not reach the vehicle's electrical components. However, it can impact the vehicle's battery by affecting the internal plate structure and electrolyte concentration, thereby shortening the battery's lifespan. Therefore, it is crucial to strictly follow the correct sequence when jump-starting a car battery: identify the positive and negative terminals before connecting. The red cable should connect to the positive terminal, and the black cable to the negative terminal. Always connect the positive terminal first, followed by the negative terminal, ensuring the two vehicles' terminals do not come into contact. Below is a related introduction to the correct method for jump-starting a car battery: 1. Jump-starting a car battery requires a rescue vehicle. After locating the rescue vehicle, position the two vehicles' front ends close together. 2. Prepare two charging cables, open the engine hood, and interconnect the batteries' positive and negative electrodes using the charging cables. 3. Start the rescue vehicle's engine and let it idle, then attempt to start the depleted vehicle. If the issue is a depleted battery, the vehicle should start quickly. 4. Once the car is started, the internal alternator will begin charging the battery. Typically, the engine should run for about 30 minutes after starting.
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