Does anyone know if our voltage varies above 12 volts regularly...
Thread Starter
AudiWorld Super User
Joined: Sep 2000
Posts: 6,561
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Does anyone know if our voltage varies above 12 volts regularly...
Do you think our electrical system actually runs @ 14 volts?
Do you think it even operates higher or even spikes?
I know when viewing our voltage meters, it almost always reads, 14 volts.
Any input will help me w/ a problem I'm researching.
Do you think it even operates higher or even spikes?
I know when viewing our voltage meters, it almost always reads, 14 volts.
Any input will help me w/ a problem I'm researching.
AudiWorld Senior Member
Joined: May 2002
Posts: 951
Likes: 0
The alternator is capable and can put out a small amount..
over 14 volts when under a heavy charging load. Depends on the state of the battery. Usually, it will vary in the 12-14 volt range when the vehicle is running and the alternator covering the electrical load of the car and the charging of the battery. As for spikes, with ideal condition of the battery and the rest of the electrical system, they should be small and short lived.
AudiWorld Expert
Joined: Jul 2002
Posts: 33,367
Likes: 2
Here's an interesting one though...and a tech answered it for me once, but I forgot.
The taillights when tested, the voltage goes all over the place instead of applying a set amount of current, why is that?
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