Can alternator affect lights?
If your alternator is failing, its voltage may drop below capacity, causing the battery warning light to appear on your dash. Similarly, the battery light will also appear if the alternator is exceeding its voltage limit, depending on how much stress it is under.
What makes the alternator light go out?
If the warning light fails to illuminate when the ignition is turned on, there are two possible causes. One is that the warning light bulb may simply have blown. This could be due to old age. The other possibility is a fault in the charging circuit – if the generator is overcharging it may cause the bulb to blow.
Why would battery light come on after changing alternator?
It is possible that the problems that you have been experiencing with the bad alternators have damaged the battery causing it to be weak. This would make the Battery Light come on. It is also possible that there is a problem with the fusible link or the alternator fuse for the charging system.
Why does the battery light come on after the alternator is replaced?
This would make the Battery Light come on. It is also possible that there is a problem with the fusible link or the alternator fuse for the charging system.
What’s the best way to replace an alternator?
Ensure all the bolt and/or nut threads are started and tighten them evenly. On some vehicles, the electrical connections will need to be installed first before permanently tightening the alternator for access reasons. Place the drive belt in position and ‘rotate’ the belt tensioner so the belt can be installed.
What does it mean when your alternator goes bad?
Dim Lights: If you notice your headlights or other lights dimming or flickering, this can indicate that they aren’t getting enough current. Generally, the dimness will worsen as the alternator wears. Warning Light: Most cars are equipped with what is otherwise known as the battery light.
What should the voltage of an alternator be?
This time it should be at least 14.2 volts if the alternator is healthy and charging the battery. If voltage is good, turn on the headlights, interior lights, radio, heater and any other electrical load. The meter should still display above 13 volts.