1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 54Get this manual
Quality of the image is intentionally reduced!
CHECKING POSITIVE BRUSHES AND TERMINAL Set ohmmeter to (R scale)Connect meter leads between POSITIVE brushesMeter must indicate full continuity or zero resistanceIf resistance is indicated, inspect le