You have a little life in the alternator usually. I will run 2 sets of brushes, then replace the alternator.

The idiot light is wired THROUGH the brush set. IF the contact surface of the brushes quits, no light operation. (stupid huh??)

------------------
Benzmac:
Donnie Drummonds
300E
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM