1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 298Get this manual
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Motor and Electrical TestsRepair Trim Pump Motor Test WARNING
2 Lift motor from end capUse care not to drop armature
18457 51338 End CapArmature
4 If meter does not rea