How does the alternator work on a Chevy Trailblazer?

How does the alternator work on a Chevy Trailblazer?

The alternator on your Chevy Trailblazer uses the engine’s rotational power to produce electrical power for the various systems on the vehicle. As part of the charging system, it also recharges your car battery.

What should the volts be on a trailblazer?

With your Trailblazer turned off, you’ll connect the negative side of the meter to the negative battery post or wire. You’ll then touch the positive side of the voltmeter to the positive battery wire. With the engine off, you should get a reading somewhere between 12.0 volts and 12.6 volts.

What does the battery light mean on a Chevy Trailblazer?

The battery light is designed to tell you that there is not enough voltage to properly charge the battery, or that the battery itself is not holding the proper voltage. In rare occasions the service engine soon light may light up.

How do you remove an alternator from a 4.2L engine?

Unbolt the alternator from the engine. Use a ratchet, ratchet extension and socket if you have a 4.2L engine model. On 5.3L and 6.0L engine models, remove the two lower mounting bolts using the ratchet, ratchet extension and socket. Move the alternator away from the engine just a few inches if you have a 4.2L engine model.

How do you install an alternator on a Chevy Trailblazer?

Unscrew the right-engine lift hook from the engine too using the wrench or ratchet and socket if you have a 4.2L engine. Unplug the alternator electrical connector and remove the battery cable using a ratchet and socket if you have a 5.3L or 6.0L engine. Unbolt the alternator from the engine.

Unbolt the alternator from the engine. Use a ratchet, ratchet extension and socket if you have a 4.2L engine model. On 5.3L and 6.0L engine models, remove the two lower mounting bolts using the ratchet, ratchet extension and socket. Move the alternator away from the engine just a few inches if you have a 4.2L engine model.

With your Trailblazer turned off, you’ll connect the negative side of the meter to the negative battery post or wire. You’ll then touch the positive side of the voltmeter to the positive battery wire. With the engine off, you should get a reading somewhere between 12.0 volts and 12.6 volts.

The battery light is designed to tell you that there is not enough voltage to properly charge the battery, or that the battery itself is not holding the proper voltage. In rare occasions the service engine soon light may light up.