2001 Mercury Mariner 50-60HP Factory Service Manual, Page 145Get this manual
WIRING DIAGRAMS
Instrument Wiring Connections
Without Light Switch
NOTE: ANY INSTRUMENT WIRING HARNESS LEADS NOT USED MUST BE TAPED BACK TO THE HARNESSSpeedometer Tachometer TemperatureOil Warning Panel Volt Meter
aTachometer Receptacle-From Control Box or IgnitionChoke SwitchTachometer Wiring HarnessLead to Optional Visual Warning Kit (Taped Back to Harness)Cable Extension (For Two Function Warning Panel)Light Switch