1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 389Get this manual
11Secure access cover to tiller bracket with five screwsDO NOT OVERTIGHTEN SCREWS 14Reinstall electrical panel access cover and secure with screwsTorque screws to 30 lbin(3.4 Nm)
aAccess CoverScrews
12Connect switch harness plug to engine harness plugReconnect PURPLE bullet connectoraPanelScrewsTorque to 30 lbin(3.4 Nm)
15Reconnect shift link rod to shift lever using bushing, washer and cotter keyaSwitch Harness PlugPURPLE Bullet Connector