1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 210Get this manual
5 Install sacrificial zinc anode to clamp brackets placing ground wire on starboard side (between anode and clamp bracket)Secure wire harness to clamp bracket with clamps as shown below
aGround WireSacrificial Zinc Anode
Apply 2-4-C Marine Lubricant (92-90018A 12) to surface of upper pivot pin, pivot pin bore and shock rod boreRoute wire harness through clamp bracketUsing suitable mallet, drive upper pivot pin into swivel bracket and through trim ram until pivot pin is flush with swivel bracket