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charging problem

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tes
User

Jan 29, 2013, 10:04 AM

Post #1 of 4 (1805 views)
charging problem Sign In
Hi there guys,this 2004 civic after I replace the alternator and check the battery voltage I only see 12.6 volts. I think it should be around 13.5 all the connections the belt tenssion are ok, could this a bad battery that is no holding charge.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 29, 2013, 10:07 AM

Post #2 of 4 (1800 views)
Re: charging problem Sign In
Apparently, the alternator wasn't the cause of the charging problem. Test for power at the main terminal of the alternator with the KEY OFF.
What do you have?



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 29, 2013, 10:28 AM

Post #3 of 4 (1774 views)
Re: charging problem Sign In
Did you check fuse 19 (80 amp) in the under relay box?
Did you check fuse 4 (10 amp) in the dash fuse box?

Even thought the voltage regulator is inside the alternator, the PCM controls the output of the alternator based off information it receives from the electrical load detector.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jan 29, 2013, 10:31 AM)


tes
User

Jan 31, 2013, 12:09 PM

Post #4 of 4 (1707 views)
Re: charging problem Sign In
do you mean to check if there is a 12 volts at the alternator, please explain to me.





 
 
 






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