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test alternator output?


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bholt18 
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Joined: October 30, 2009
Location: California, United States
Posted: January 01, 2010 at 9:18 PM / IP Logged  
I need to know if there is a way to test an altanator to find out how many amps it is
97 Yukon lvmshvd
i am an idiot 
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Joined: September 21, 2006
Location: Louisiana, United States
Posted: January 01, 2010 at 9:33 PM / IP Logged  
Any alternator shop should be able to test it. 
bholt18 
Member - Posts: 5
Member spacespace
Joined: October 30, 2009
Location: California, United States
Posted: January 01, 2010 at 10:06 PM / IP Logged  
K thnx. Thers no way I can do it
97 Yukon lvmshvd
i am an idiot 
Platinum - Posts: 13,470
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: January 01, 2010 at 10:10 PM / IP Logged  
Do you have a DC clamp meter and a battery load tester?  If so, attach the clamp on the wire between the alternator and the battery, then attach the load to the battery terminals, Trigger the load and notice amount of current running through the charge wire.  While someone is in the vehicle keeping it revved between 2000 and 3000 RPM.

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