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what causes jeep voltage gauge to read high
The charging of jeep battery is divided into main charging and floating charging. Generally, the primary charging of lead-acid battery is intended to be main charging. After reaching the rated voltage, it is changed to floating charging. When the floating charging causes the battery voltage to rise to about 115% of the rated value, the charging device shall be turned off to stop charging. If the battery voltage is too high during the initial installation of the battery, it may be overshoot. 2. If the over-voltage exceeds 15% after the battery is loaded and used, it may be that the voltage regulator of the generator is damaged, causing the charging voltage to exceed the specified value and continue to be charged, and finally the over-voltage phenomenon occurs.
If the jeep voltage gauge generator of the external regulator generates large power, after eliminating the problem of the regulator, it may also be a line problem. In general three-wire regulators, the sampling signal of the regulator and the power supply are the same line. When the line aging and the voltage drop increase, the voltage on the regulator will be lower than the voltage on the output terminal of the generator. At this time, the regulator controls the magnetic field current according to the lower than the generation voltage, resulting in the increase of the generation voltage. Check this fault by measuring the voltage on the generator output terminal and the regulator supply voltage. If the regulator supply voltage is indeed lower than the generator output voltage, a relay can be installed to let the live wire control relay from the ignition switch introduce the generator output voltage to supply power to the regulator.
If the jeep voltage gauge generator of the internal regulator generates large power, the basic principle is that the sampling voltage is too low. The reason for the low sampling voltage can be found out according to the above method, and the symptom can be treated .
After the energy of the battery is discharged and consumed, it can be recovered by charging and discharged again, forming a charging and discharging cycle. Generally, it is charged with DC current (also asymmetric AC current or pulse current). Under different circumstances, different charging methods are adopted, such as constant current charging, constant voltage charging, floating charging, trickle charging, emergency charging or combined charging of these methods.
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