You get-up-and-go elsewhere to your motorcar or boat and bid to Eccentric person the Engine, solitary to receive that dark clicking sound from the alternator that signifies a dead battery. The battery was charged when you left it a scarce hours ago, on the contrary double time it's dead. The hot potato could be the battery itself, or it could be that a short somewhere in the vehicle's wiring is draining the battery while it sits unused. You can degree the extent of capability remove ultimate from the voltage regulator and narrow down the box.
Check the readout on the multimeter. If the drain stops, then the voltage regulator is faulty. If the reading remains the same, the problem is somewhere else in the wiring.
The doctrine is not to disconnect the battery from the vehicle, on the contrary to cover the multimeter into the battery succession.
2. Power on your multimeter and set the dial to the highest amp setting. Refer to the instruction manual of your multimeter if you are unsure do this.
3. Connect the negative terminal lead on the multimeter to the positive battery cable using the alligator clip or probe. Connect the positive lead on the multimeter to the positive terminal on the battery.
4. Reduce the setting on the multimeter to the lowest setting. Watch the readout on the multimeter for a reading. If there is a reading over 50 milliamps, then there is a short somewhere in either the wiring or an electrical component.
5. Disconnect the voltage regulator from the vehicle, using the instructions in your vehicle's service guide.
