1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 224Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 224

Table Of Contents Page Page

Power TrimGeneral Information Description Trimming Characteristics Trimming Outboard "UP" (Out) Trimming Outboard "DOWN" (In) Trailering Outboard Tilting Outboard Manually Trim "In" Angle Adjustment Striker Plate Replacement Anode Plate Trim Indicator Gauge Fill, Check, and Purge Power Trim System To Fill Bleeding Air From Power Trim System Troubleshooting Determining if Problem is Electrical or Hydraulic Trouble Chart Hydraulic System Troubleshooting Wiring Diagram Trim Indicator Gauge and Trim Sender Wiring Diagrams Side Mount Remote Control Wiring Diagram Electrical System Troubleshooting General Checks Troubleshooting the "Trailer" Circuit (When "Up" Circuit Is OK) Troubleshooting the "Up" and "Trailer" Circuits (Both Circuits Inoperative: "Down" Circuit Is OK) Troubleshooting the "Down," "Up" and "Trailer" Circuits (All Circuits Inoperative) Troubleshooting the "Up" Circuit (When "Trailer" Circuit Is OK) Troubleshooting the "Down," "Up" and "Trailer" Circuits (All Circuits Inoperative) Troubleshooting the "Down" Circuit (When "Up" Circuit Is OK) Troubleshooting the "Up" Circuit (When "Down" Circuit Is OK) Troubleshooting the "Down" and "Up" Circuits (All Circuits Inoperative) Power Trim Assembly Removal and Installation Removal