Car Batteries

What is parallel car battery wiring?

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2007-11-15 17:36:00
2007-11-15 17:36:00

parallel battery wiring is hooking 2 batteries together in parallel series give you double the volts Clarification: Parallel battery wiring is where two or more batteries are hooked together in parallel (i.e. both/all positive battery terminals are wiredtogether, and both/all negative battery terminals are wired together. This results in a battery voltage which is the same as that of the individual batteries (typically 12V in most cars). The reason for doing this is to boost battery capacity- two identical batteries wired in parallel give twice the electical storage capacity of one battery. No increase in voltage is obtained with parallel wiring. Series wiring is where two or more batteries are hooked together in series (i.e. positive terminal of the first battery is hooked to the negative terminal of the second battery). The resulting voltage is the sum of the individual battery voltages - if two 12V batteries are hooked together, the resulting voltage will be 24V. No increase of storage capacity is obtained with series wiring.

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A location to secure it, and proper wiring. You will need to wire it parallel, not serial.


Series is better, it can handle more flow to it.


Could be a few things, weak alternator, bad battery, bad wiring. If you have a subwoofer in your car with no battery cap that will certainly do it.




The receptacles in your house wiring are examples of parallel wiring. Examples of series wiring in your house are light switches that turn on the lights.


All the light bulbs in your house are in parallel across the power line.All the devices plugged into a power strip are in parallel.Everything in your car that gets power from the 12V battery is in parallel.etc.


The batteries should be wired in series. Electrically, it looks like this: Positive lead to car (+ -) ----- (+ -) -----(+ -) Negative lead to car Each set of parentheses represents a battery, the dotted lines are wires connecting the middle battery to the battery on each side. This will give you 36 volts at the positive and negative leads going to the car. The other option is wiring in parallel, which gives you 12V, but triples the load capacity.


There are a number of reasons any car will not start with a good battery. There may be a wiring issue for example.


COmputer, loose battery, defective battery/volt amps or loose wiring harness/ wires grounding out somewhere


Take of your glasses Stevie Wonder look at battery terminals


A battery doesn't see a series or parallel circuit. It just supplies the current that is demanded by the load be it a series or parallel load. Visualize that a single load across a battery is both a series and parallel load to the battery.


All house wiring consists of parallel circuits.


House wiring is almost always parallel. Series wiring may be used for some switch circuits, however.


I'm assuming you want dual batteries for increase amps /hour off road use.If you want to get 12 volts out of 2- 12 volt batteries you will be wiring them in parallel. Wiring batteries in "Parallel" increases there combined Amp/hour capacity, but their voltage stays the same. Battery 1 Positive, to Battery 2 Positive, and Battery 1 Negative to Battery 2 Negative is Parallel wiring, retaining the voltage rating of either one of the batteries. I suggest adding a "Battery Cut-Off Switch" in the circuit.Try doing it outside your vehicle and use a multimeter set to DC volts and test for 12-16 volts (higher readings would require it be on a charging system).If you do this wrong and do not test it first YOU MAY FRY your vehicles wiring system by overloading the 12 volt system by running 24 volts through it.



Battery cells are conneted in series. Each cell of a 12v battery averages 2.1v when charged. SERIES 2-4-6-8 and so on


Disadvantages of parallel wiring for circuits include that they need more wiring and there are many paths running next to each other. When you add more things to the wiring, the current draws on the same source and goes up.



An ammeter must be connected in parallel to the circuit. If you do not understand the difference between parallel and series connection then you should leave it to a competent mechanic/electrician.


Series and parallel circuits are used in house wiring.


Can only be: no petrol or an electrical fault = flat battery, no spark, electrical short, bad wiring.


Electrical wiring for buildings is always done in parallel circuits.


It is not possible to Jump Start your Harley using the battery tender wiring harness. The battery tender wiring harness has a 3amp inline fuse that will blow if you attempt to do this.


No. Parallel wiring just gives the current more choices of where it can flow. What matters is the number of resistors in the circuit.



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