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On a car red is usually positive. But positive can also be black in some applications such as home wiring.

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Is there a direction of current with an Axial Capacitor?

Absolutely. The end of the body of the capacitor that has a radial indentation (like it was crimped) is the positive end. The manufacturers also color coat the ends, depending on the size of the capacitor. The black is the positive and the silver is negative. If you are doing an in-line installation (HID headlight kit, stereo, etc.), put the negative end of the capacitor where the source of current is coming from and the the positive end where it needs to go to. If the polarity is reversed, you may only get a momentary blip of power and then nothing at all. Just reverse the installation to correct it. Hope this helps. - mn1225


How do you Verifypositive and negative wires with a multimeter?

To verify positive and negative wires with a multimeter, set the multimeter to the DC voltage setting. Connect the black probe to the negative terminal (common), and the red probe to the wire you want to test. If the multimeter displays a positive voltage, the wire is positive; if it shows a negative voltage, the wire is negative. If the reading is zero or close to it, the wire may not be energized.


Why negative voltage is used in BTS in GSM system?

Because 2 terminal comes out from the battery and through red wire we ground the +ive terminal so that possibility of noise interference will get zero....noise occur only in the +ive terminal.....thats why we use -ive voltage.


What leg of a Tantalum capacitor goes to negative?

The positive lead is marked with a red dot or a + symbol.


How do you identify positive terminals in voltmeters and ammeters?

The positive terminals in voltmeters and ammeters are generally indicated by a red coloring and a + (plus) symbol. Negative is generally black and - (minus).

Related Questions

How do you run your power wire at battery with oldmobile alero 99?

Red, positive + cable to Positive + battery terminal. Black, negative - cable to Negative - battery terminal.


Is the positive terminal of an ammeter connected to the positive terminal of the energy source?

No. An ammeter is to be connected in series, between the device and the battery's positive output, Its NEGATIVE terminal (red lead) has to be connected to the POSITIVE of the battery. Its positive terminal (black lead) will then be connected to the device's positive terminal. (Connecting an ammeter in series with a power supply by itself may damage or destroy the meter.)Almost every single digital ammeter made will indicate reverse current, so the worst you might get is a displayed reading of a negative amperage if you connected it in reverse.(For an illustration, see the related link)


What color is the positive car battery terminal?

Positive is normally red.


How do you tell which terminal is positive on back of speaker?

A positive terminal will usually have red surrounding, or over it.


How do you know positive and negative terminals?

Look for a + by the positive terminal and a - by the negative terminal, or red for positive, black for negative. Some batteries have the positive terminal protruding and the negative terminal flat. Or you can get a meter that will tell you which is which,


What side is the positive terminal for the 2007 boulevard s40?

In a 2007 Boulevard S40 the positive terminal of a battery is located where the red terminal is. Another characteristic that separates it from the negative side is the width of the positive terminal.


On a car battery which terminal is positive which is negative?

Positive is either red or has a "+" symbol.


PT cruiser positive terminal?

on mine the positive jump start terminal was a capped red screw poking out of the front left corner near what looked like the power distribution center (based on a picture of the PDC in the owners manual


What battery cable goes to the positive terminal?

It is usually red.


What is red color on battery?

The red terminal on a car battery is the positive terminal which feeds electrical current to various devices. The black terminal is the negative, or ground, terminal which is attached to the car frame.


Which battery terminal does the smaller red wire that comes off the positive cable go to on a 99 doge neon?

Red is positive (+).


How can you safely jump a car when the positive terminal is red?

To safely jump a car when the positive terminal is red, follow these steps: Connect the red (positive) jumper cable to the positive terminal of the dead battery. Connect the other end of the red jumper cable to the positive terminal of the working battery. Connect the black (negative) jumper cable to the negative terminal of the working battery. Connect the other end of the black jumper cable to an unpainted metal surface on the car with the dead battery. Start the working car and let it run for a few minutes. Try starting the car with the dead battery.