RPM

Thank you very much sirs will use DMM and ground it

thanks for the reply guys here is another pic from the other side 'where the power wire comes out from,i didnt install it but i''m assuming its a for ground? if its there it should be grounded to the chassis?-- it seems to be charging properly just have little ground loop was wondering if adding a ground to this would help thanks for any information.

Hi Recently had this Mechman alternator installed and was wondering what this bolt is for? thankis for any information