1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 77Get this manual
Engine Wiring Diagram (4 Cylinder Models With Small Voltage RegulatorRectifier) a i
BLK BLU BRN GRY GRN PUR RED TAN VIO WHT YEL BLACK BLUE BROWN GRAY GREEN PURPLE RED TAN VIOLET WHITE YELLOW