LM317T Voltage Regulator with Pass Transistor

how to repair 90% of bosch alternator problems for $3.15. the next step is the full regulator unit but its worth attempting this for $3 first. same principal apply's for other alternators, accept brushes are of different size, type, shape and location.



http://www.youtube.com/watch?v=uda_Znro4A8&hl=en