2001 Mercury Mariner 50-60HP Factory Service Manual, Page 62Get this manual
OUTBOARD MOTOR INSTALLATION
Wiring Harness
IMPORTANT: Warning Horn Requirement The remote control or key switch assembly must be wired with warning hornThis warning horn is used with the engine warning systemRoute wiring harness into bottom cowl
Connect wiringPush the wiring harness connectors together inside the rubber sleevePush the retainer over the exposed ends of the connectorsThis will hold the connectors together