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Which terminal of battery is grounded in vehicles and why?


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2009-06-05 15:02:27
2009-06-05 15:02:27

Negative terminal is grounded to the vehicle. Because the system is a negative ground system. Electricity will not flow unless it has a path to ground.

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The negative terminal is grounded to complete the electrical circuit, all other negatives in the vehicle i.e. lights, switches, etc are grounded so it really just saves a lot of wire and makes running wire easier and more convenient.

power cable goes from battery to cap + terminal. separate power cable from cap + terminal to the amp. make sure the amp and cap are grounded.

grounding is always neg on a 12 volt american car. I only know bulldozers that reverse it. hope that helps you out.

A battery terminal or a battery CABLE terminal. If the terminal is gone or destroyed on the battery, you need a new battery. If the cable terminal is terminal, you can buy an after market replacement or a complete new cable with terminal at most any auto parts store.

The negative terminal of a battery has a - sign and positive terminal has a + sign.

It's grounded on the front of the Mercury Cougar frame next to the headlight assembly.

Most vehicles are "negative ground" which means that the negative battery pole (marked with a minus sign "-") of an automobile, boat, truck, RV, or other fossil fuel powered vehicle is connected to the metal frame, engine, or chassis, of the vehicle. Whereas the positive battery terminal (marked with a plus sign "+") is connected strictly to insulated wires that are protected from completing an electrical circuit between the positive and negative posts of the battery. Since the frame and other metal parts connected to the engine, frame, or chassis are grounded to the negative terminal on the batter you can often power an electrical device by simply having one wire to the device from any positive battery terminal source and then connecting the negative pole of the electrical device to the frame, engine, chassis, or other grounded piece of metal.

One terminal is the overhead wire, and the other terminal is the track, which is grounded.

You connect the batteries in series Red charger lead to one red battery terminal, then the black battery terminal of that battery to the red battery terminal of the second battery. Then black battery terminal of the second battery to the black lead of the charger.

Electrons flow from the negative battery terminal to the positive battery terminal.

I owned a 1984 Toyota Trecel and it was a Negative Ground system. This means that the battery's negative terminal had a ground strap attached from the negative terminal to the car's metal frame. I've owned two 1975 Toyota celicas made for the United States and the batteries were also negative grounded. You would probably have to go back to the late 20s and 30s in the United States to find a positive grounded battery system. Old Ford Model A cars and trucks in the twenties for example were positive grounded battery systems.

The starter should have two wires. The positive wire goes to the positive terminal on the battery. The ground wire can be grounded to anything that is metal.

The entire metal chassis and body is grounded with the negative side of the battery.

only neutral point is gronded not a terminal ,

Depending on the age of the vehicle you probably have shorted or grounded the electrical system causing fuse(s) to blow. Question was kind of broad may want to be more specific

REMOVAL Turn the ignition switch to the Off position. Be certain that all electrical accessories are turned off. Loosen the battery negative cable terminal clamp pinch-bolt hex nut. Disconnect the battery negative cable terminal clamp from the battery negative terminal post. If necessary, use a battery terminal puller (2) to remove the terminal clamp from the battery post. Loosen the battery positive cable terminal clamp pinch-bolt hex nut. Disconnect the battery positive cable terminal clamp from the battery positive terminal post. If necessary, use a battery terminal puller (2) to remove the terminal clamp from the battery post. Remove the battery cables from the battery. Remove the battery thermal guard (1). Remove the battery hold down bolt (1) and battery hold down (2) from the battery. WARNING: Wear a suitable pair of rubber gloves (not the household type) when removing a battery by hand. Safety glasses should also be worn. If the battery is cracked or leaking, the electrolyte can burn the skin and eyes. Remove the battery from the battery tray.

Center terminal is connected to the positive from the battery. Outside is connected to ground (-).

the positive terminal in a battery

they leave the negative terminal and return to the positive terminal

have you considered checking or changing the following: 1. Maybe the connection of the battery terminal is grounded 2. Maybe the connection in the alternator is grounded 3. check the fuses inside the fuse box and the fuses near the battery 4. how about the sparkplugs have you checked it I hope this helps

Battery Terminal PullersThough there are several brands, battery terminal pullers all work on the same principle and basically are similar to "gear" pullers, except smaller.They have a couple of "fingers," the tips of which grip underneath the bottom edge of the loosened battery terminal to be removed, and they have a threaded rod [acts like a push rod] which contacts the top of the battery terminal.When the finger "tips" are hooked beneath the terminal clamp, and the pusher/plunger is screwed inward, the fingers are pulled upward, pulling the battery terminal with them.To prevent damage to the battery terminal, the terminal clamp, and the puller it is critical that the locking screw of the terminal clamp be completely loosened before attempting to pull the clamp.

These are negative grounded vehicles.

Did you check to see if there is a "BOTTOM" hold down clamp located at the bottom of the battery? Some vehicles have them.

The negative battery terminal is on the battery. They don't have a wire coming from it like they do the positive. For charging purposes, the engine block acts as the battery ground. When disconnecting the negative at the battery, the negative terminal usually has a black wire and the positive has a red.

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.

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