2002 Subaru Legacy GT – New Alternator, Battery Light Stays On

Why is my battery light 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 is my battery light on in my Subaru?

Battery Light: This warning light indicates that something is malfunctioning with the battery charging system in your Subaru car. Occasionally this can be caused by corrosion on the battery, a faulty alternator, or even just a battery reaching the end of us its usable lifespan.

How much is a Subaru Legacy alternator?

We currently carry 2 Alternator products to choose from for your 2016 Subaru Legacy, and our inventory prices range from as little as $234.99 up to $263.79. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Alternator products for the 2016 Subaru Legacy.

What to do after installing a new alternator?

What to Look for After Getting a New Alternator Installed

  1. Check the Battery. …
  2. Check the Alternator’s Wires and Cables. …
  3. Check the Fan and Pulley. …
  4. Confirm You Used the Right Hardware. …
  5. Confirm the Speed. …
  6. Finish By Testing the Alternator. …
  7. Get a New Alternator at Massey Yardley CDJR.

Can a fuse cause battery light to come on?

The fuses may or may not cause problems with your vehicle’s battery charging system. There could, however, be a blown fuse between the battery and the alternator. This issue can cause the car’s battery light on.

What is the charging system warning light?

What’s happening when the battery/check charging system light comes on? Whenever this light goes on, it means that the vehicle is running solely on battery power. If the problem continues and your charging system fails, the battery won’t be able to recharge and it will soon run down, leaving you with a dead battery.

Is the alternator a generator?

No. An alternator is a device that converts mechanical energy into AC electrical energy. A generator is a mechanical device which converts mechanical energy to either AC or DC electrical energy. An alternator always induces an alternating current.

How long should I let my car run after changing alternator?

If your car does start, let it run for a few minutes to help charge the battery further. Unhook the clamps in the reverse order of how you put them on. Be sure to drive your car for about 30 minutes before stopping again so the battery can continue to charge. Otherwise, you might need another jump start.

Do I need to charge my battery after replacing alternator?

The answer: Yes, and no. If your battery is dead, you’ll need to jump-start your car to get it started and then replace your battery. But if your battery is just a little bit drained, then it might be possible to recharge it with an alternator.

Why would a new alternator not charging?

The most common reason an alternator is not charging the battery is due to worn carbon brushes or a damaged alternator itself. It can also be caused by a blown fuse or bad wirings. If your serpentine belt snapped off, the alternator will, of course not charge then either.

Is there a fuse that controls the alternator?

What fuse controls the alternator? There are 2 fuses for the alternator. One is usually a fusable link (wire) for connecting the stator diodes to the battery, and a lower value fuse (10 to 30 amp) for protecting the field (rotor).

How long does it take for a new alternator to charge?

Remember: After you’ve done a jump start, you’ll need to keep the vehicle’s engine running for around 30 minutes to allow the alternator time to charge the battery sufficiently.