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Good morning I am master tech and will be able to assist you today.
has this alternator been tested on the bench to make sure it's charging.
we see a lot of issues with after market alternators on these civic's.
do you have a volt meter ?
ok on the bench it's charging 13-14.5 volts ?
also was the alternator case painted or just bead blasted ?
if the case is a dark gray or black then the case is painted and it will need to be removed and all the paint sanded off at the top pivot bolt.
I have sent some alternator troubleshooting info that will tell me if this is a alternator issue or a internal part in the car like wiring or a bad computer or eld
ok thank you.
lets proceed with the info I have posted for you.
the system does not allow us to send info on a general chat like your requesting
you can print this from the chat
could be but also make sure the top 14mm alternator bolt is tight this is a common issue with been left loose.
but lets see what the testing shows.
let me know if you get to a step and need to proceed further.
ok sounds like a plan
I will wait for your results.