Where can I get a new battery and alternator?
Don’t get caught with a dead battery or malfunctioning electrical system when a replacement alternator is as close as your local NAPA Auto Parts location. The starter is an unsung hero of a vehicle’s electrical system.
What does an alternator do in a Chevy Silverado?
The alternator’s job in your Silverado is to provide electricity as it is running. The battery stores enough voltage to be able to start the engine without the assistance of an alternator. It is turned by a serpentine belt.
Can a bad alternator cause a bad battery?
While the battery provides initial and reserve power, it is the alternator that powers all the electrical components when the engine is running. A bad alternator can cause a host of problems throughout the entire electrical system, especially on modern vehicles loaded with technology.
Do you need an alternator for a 12 volt car?
If you got 14.2 or more volts, the alternator is charging fine. If it’s still showing in the 12’s, it’s time to replace the alternator. If it’s producing a voltage level in the 13’s, go ahead and take it into a parts store and have it tested. It’s probably bad.
What does an alternator do in a GMC Sierra?
The alternator’s job in your Sierra is to provide electricity as it is running. The battery stores enough voltage to be able to start the engine without the assistance of an alternator. It is turned by a serpentine belt.
Why does my car not start with a new battery and alternator?
With a new starter, battery, and alternator (assuming you have not drained the battery attempting to start it), the starter should attempt to crank over the engine. If the starter does not make any noise when the key it turned to crank over the engine, you have an issue with the fuses, or the circuit.
When do I need to replace my alternator battery?
The battery was replaced in january and alternator was replaced in october.. what could be the problem? For the alternator to work B+ voltage must be applied to the heavier gage wire on the back of the alternator ,plus the alternator is computer controlled , by the PCM !
What are the symptoms of a bad alternator?
Outside of the battery warning light, a dead battery is the most common symptom of a bad alternator. As the alternator can no longer supply your Sierra with an adequate power supply, it will begin to feed off of the reserve in the battery.