Subaru Impreza Alternator bearing change and cleaned up. Tested 14.2 volts and Smart Pin tested OK.

[@ChrisPopham]

A few words here in the comments to help the TH-cam algorithms 😜

[@damianbutterworth2434]

This is how to make a Smart Alternator Tester Square Wave Generator for about £20.
th-cam.com/video/y0A5s5m1_AY/w-d-xo.html