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How to Jump Start a Car By: Afshan Ahmed SEO Executive SBT JAPAN
Battery Basics I The battery provides electrical power to help start the car A battery is good for about 4-5 years After that you are risking trouble Green ball indicator Rough indicator that the battery is OK 12.2-12.6 volts is the good range for most batteries Below 12 volts is probably trouble
Battery Basics II The battery has a positive and a negative terminal The positive terminal = red cable = “+” sign The negative terminal = black cable = “-” sign Battery cables should be connected firmly to the terminals Terminals and battery clamps should be relatively clean Batteries can be dangerous
Inspect the battery physically
Use secure cables
Before You Begin Be sure to have jumper cables! Bring “jumper” car close to the car with the dead battery Cars should not be touching! The jumper cables should be relatively clean Turn off cars and all accessories on both cars If you can, measure the battery voltage
Park working car in front of dead battery car
Turn off functional car battery.
Think Positively First identify the positive post on each battery The positive post usually has a “+” sign on it (or red cable) The safest battery is the dead battery So start there Put the red clamp on the + post of the dead battery Then put red clamp at the other end on the + post of the good battery
Note terminals positions (Positive and Negative)
Connect both ends of jumper cables on the same signs of both batteries
Halfway there! + is done While you are at the good battery, attach the black clamp to the negative (-) post Attach black clamp at the other end to a solid metal part of the dead car’s engine away from the battery Start the good car!
Solid metal part of the dead car’s engine
Start charged battery’s car engine.
Finishing up! Rev up the “jumper” car a little bit (to get the alternator running) Let the car fast idle for about 30 seconds or so If the battery is super dead it needs a little extra charge Start the dead car! Reverse the process to release the clamps (-D ? -G ? +G ? +D)
Things to Watch For Battery voltage is below 9.5 volts or no green ball Might be better to charge it separately High-voltage starting kits may cause the voltage to go above 17 volts which can damage electronics/computers in car Find out why the battery died Lights Wiring, loose fan belt, diode in the alternator, bad grounds, bad battery cable connection…
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