The car battery has two cables.One is black and one is red.One is positive and other is negative.
Large strands of wire housed in a protective insulated covering that carry current to the positive side of the vehicles electrical system and provides a ground on the negative side of the electrical system to complete the voltage circuit. The wire strands are usually made of copper and have eyelets or top post/side post battery terminals attached. A web or woven type cable is also available but has no protective insulating cover and is usually used as a ground cable.
Inspect the battery cables.
The insulation can be worn away on a cable that is too short.
Corroded battery terminals reduce the efficiency of the battery.
These cables do not have full contact with ground.
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Large strands of wire housed in a protective insulated covering that carry current to the positive side of the vehicles electrical system and provides a ground on the negative side of the electrical system to complete the voltage circuit. The wire strands are usually made of copper and have eyelets or top post/side post battery terminals attached. A web or woven type cable is also available but has no protective insulating cover and is usually used as a ground cable.
Many a times this cables break in between and battery problems are noticed.Some car users directly replace battery.But actually just replacing the cable helps.So first inspect the cable.The procedure with details and diagrams is as follows :----
- Always perform a visual check for possible electrical system problems before attempting a diagnosis.
- Inspect all cables for broken or corroded wires, frayed insulation, or loose or damaged connectors.
- A cable that is too short can rub against something until its insulation wears through, causing a short to ground.
- A cable that is too long and is not restrained properly can burn through an exhaust manifold.
- When there is high resistance in a battery cable or its connections, they will become hot to the touch. When resistance is within acceptable limits, cables and connections will not become hot. Resistance at the cable connections is a major cause of starting system problems. Check the condition of the terminals. Clean or replace them as needed.
- Sometimes, a battery terminal does not have good contact with the terminal post or the cylinder block (in the case of the ground cable).
This procedure will help you to inspect car battery cables/terminals.
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