Toymods Car Club Inc: Tech & Conversions => Voltage question, with ignition on.

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BradW
Regular

Location:
Bottom of the hill, Sydney
Registered:
April 2004

Re: Voltage question, with ignition on.	Fri, 04 November 2005 09:46

To really know if the alternator is working correctly you need to check how much current it is putting out. With the engine running all the vehicles electrical system should be running off the alternator. There should also be current going into the battery. The alternator will put out alot of current when the battery is flat and taper the current off as the battery charges. The voltage should be somewhere around 13.6v to a max of 14.4v but some newer cars can have a max charging voltage of around 15v. If you can get your hands on an amp meter check the charging current with all the electrical systems turned on (ie head lights on high beam, fan on full speed, rear window demister on, etc). [Report message to a moderator]

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