S90 L6-2.9L VIN 96 B6304S (1998)
Make sure that brushes are insulated from each other, and that:
-
The positive brush is insulated from ground
-
Negative brush is connected to ground
-
Pointer is 0
= good insulation
-
1 mA
= good connection
A 40 V test lamp can also be used for this text.
F20 & F21 Bearing
Use a puller to remove bearing if worn or damaged. Install using a sleeve to press on bearing inner race.