Charging system is not working properly. Have the alternator tested at any auto parts store for free.
Your 2004 Chevrolet trail blazer and battery light indicator is always on because the battery has sufficient charge.
A malfunction indicator light is also known as a check engine light. It is a light on the dashboard of a car that goes on when there is a problem with the car's engine.
Disconnect your battery, and leave it disconnected for at least 24 hours. The battery backup on the computer will die after 24 hours, at that point, the service engine indicator is reset.
Your battery is not being charged
by changing the alternator
It depends on the indicator. Check engine means the engine computer has detected a malfunction. The oil can is an oil pressure problem, a battery is a charging problem, etc
Perhaps the alternator is not charging the battery adequately check with a voltmeter A fully charged battery should read around 12.8 (without engine running) With engine running reading should be 13.8-14.2
The check engine light is an indicator that the computer has detected a fault in one or more of the electronic components. Use a code scanner to figure out what is wrong.
The third generation iPod shuffle has the indicator light on the top Êclose by the earphone port. This indicator light tells you about the battery charge status.Ê
You can reset the check engine light with a scan tool or by unhooking the battery. If the failure is not repaired the light will return.
There is not an alternator indicator light on a Honda Pilot. If the alternator goes out, the battery will not stay charged.
Engine not running, or belt fell off.