How To Charge A Completely Dead Automotive Battery When It Will Not Take A Charge
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Attempt to start the dead car: try to start the engine of the car with the dead battery. if it works, disconnect the jumper cables. if not, wait a few seconds and try again to start the dead car. Connect one end of the negative jumper cable to the negative terminal on the charged battery and the other end of the cable to a grounded metal component on the car with the dead battery, like the frame or chassis. turn on the car with the charged battery. leave the cars connected for at least five minutes.
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Now, the instructions for car battery chargers vary, but the basic ones include: turn off the car battery charger. connect the negative car battery charger cable to the negative battery terminal. connect the positive car battery charger cable to the positive battery terminal. charge at the slowest rate and set a timer. Watch kent's complete car battery clinic series: playlist?list=pltrkk64pu2wrnk0uw n2ubdhvdviyunpgin part 5 of this series, kent will. Above 12 volts — go for a drive. in general, if the battery is showing between 12 and 12.4 volts, it’s safe to recharge it by using your vehicle’s alternator. this means driving around with as low of an electrical draw as possible — with no stereo system, no lights (don’t try this at night) and no heating or cooling functions running. 10. wait 1 2 minutes for the battery to fully recharge. this will give the dead battery time to build up a charge of its own, although it may take longer to fully charge the battery if you haven’t used it in a while. 11. try to start the engine of the car that contains the dead battery.
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