Alternator Output

[jerryho]

Generally speaking, is the alternator suppose to be charging at idle?

I'm getting only about 12.5-volts during idle but would get a good charge 13.5 to 14.0-volts anytime the engine is above 1000 rpm. Volts remain pretty constant regardless of load or no-load.

Am I ok or should I prep for a new alternator?

Thanks.

 

[Larry Bastanza]

Make sure the belt tension is correct. Sounds like the alternator is working and regulating.

HTH,
LarryB

 

[NSXTech]

No, the alternator does not charge at idle if it is set correctly.

Mark