Study a Motorcar Battery Gauge
Most drivers can discover and find out most of the gauges on the dashboard of their vehicles. The fuel and temperature gauges, also as the speedometer and odometer, are relatively light to deduce. An exception for many may be the voltmeter or ammeter, both of which are used to manifest the native land of your motorcar battery. This is typical of a properly operating charging system. If the voltage reading drops below 12.5 volts, the charging system is not operating properly, and the battery is having to supply current, meaning it will eventually go dead.3. Find the ammeter on the dashboard.
Stare at the voltmeter on the dashboard of your vehicle. Cars guide on a 12-volt electrical action. A fully charged battery should announce about 12.5 volts when the key is in the ignition and turned partially, but the car's engine is not running.
2. Stare at the voltmeter while the engine is running. Readings of 14 to 14.5 volts on the gauge when as a good sign. Once you appreciate genuine what they degree, you can further peruse your machine's battery gauges.
Instructions
1.The ammeter gauge should read a little greater than zero when the engine is on and the system is functioning properly. This means that the battery is fully charged and the charging system is providing the current. A negative reading (below zero) means the battery is providing current, and unless the problem is corrected, the battery will go dead.
