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Connecting a battery charger backwards to a battery will likely kill the battery, depending on how long the power is attached.

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โˆ™ 2015-07-14 20:26:28
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Q: Will hooking battery charger up backwards on boat battery damage anything?
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The same way you charge any battery, by hooking it up to an appropriate charger.

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By hooking it up to an appropriate charger.

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Check the fuses. By hooking it up backwards, you may have blown many fuses, and/or completely damaged the vehicle wiring system, and/or shorted out the starter motor.

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The battery is dead - you would need to boost the vehicle in order for it to start , but once you shut the vehicle off it will not start again without boosting or hooking it up to a battery charger

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they can be recharged by hooking jumper cables from a car to the mower or if the battery is fried you would have to buy a new battery for it Use a battery charger just like the one you use on an auto battery.

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Have you tried hooking a battery charger up , or getting a battery boost from another vehicle or battery jumpstarter pack ? Are your battery cable connections clean and tight ?

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Some car battery charges will not charge a completely dead battery. You need to find a type of battery charger that is designed to charge a completely dead battery. You can get around this by hooking a car with a working battery up to the dead battery with jumper cables. The alternator/charging system of the car with the good battery will charge the dead battery. Leave them connected for about 30 min, then disconnect and try to use the battery charger again. If it still won't charge, hook it up to the car with the good battery for a longer period of time.

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hi if u connect the battery the wrong way the gauges will bouncing this is because the gauges has whats called a ballast resistor an diodes this prevent the voltage current to flow only in one direction so it wil be preventing burning of the gauges

What damage can be done when hooking up the battery cables backwards?

Damage to the alternatoron both vehicles can occur and permanent damage to the batterries also can occur. Always be sure of +positive to +positive and -negative to -negative if unsure do not attempt to jump vehical it can be a costly mistake.

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Hooking the battery cables up incorrectly. Reversing the polarity can cause the battery to explode.

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The same thing happened to me! one day i was cleaning the battery terminals and after hooking the battery back up it worked again!

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If you're talking about hooking it back up to a specific ps3, then just plug in the usb charger that should come with the ps3. Hope this helps!

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