What is an alternator carbon brush?

baldjeff

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Hi all, I removed the alternator cover to polish it and "brush B" seems to have snapped off. What does it do? It seems like a switch or a button but I'm not sure. Is it sufficient to super glue it back on or do I need to replace it? Thanks. IMG_8655.jpgIMG_8654.jpgIMG_8656.jpg
 

amc49

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Replace it, the glue will block power transfer, the alternator can't charge without them. Dead battery next.

Do NOT break the black plastic plate that holds both of them, you will likely find it considerably harder to find at a reasonable price.
 
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