GROUP FUNCTION COLOR WIRE GA CONNECTS TO
Inst Fuel Gauge  
Inst Fuel Level Gauge Signal ORANGE 18 Fuel Gauge Sending Unit
Inst Fuel Level Gauge Power RED 16 Pos Buss Post READ ME[1]
Inst Fuel Level Gauge Power RED 16 Pos Shifter Connector
Inst Fuel Level Gauge Power RED 16 "I" IGN Switch
Inst Inst Lite Power PINK 16 Inst Lite Switch
Inst Gauge Case Ground BLACK 16 Neg Buss Post
Inst Tachometer  
Inst Tach PPSignal GREY/RED 16 Coil "-" (Points)
Inst Inst Lite Power PINK 16 Inst Lite Switch
Inst Gauge Case Ground BLACK 16 Neg Buss Post
Inst Speedometer  
Inst Inst Lite Power PINK 16 Inst Lite Switch
Inst Gauge Case Ground BLACK 16 Neg Buss Post
Inst Ammeter  
Inst Gen (+) BROWN 8 (+) Gen Rear Term Block
Inst Gen (+) BROWN 10 (+) Buss Post
Inst Gen (+) BROWN 10 Master Switch
Inst Gen (+) BROWN 10 "B" IGN Switch
Inst Bat ( - ) GREEN 8 (+) Battery Aft Term Block
Inst Inst Lite Power PINK 16 Inst Lite Switch
Inst Gauge Case Ground BLACK 16 Neg Buss Post
Inst Hot Temp Light  
Inst Temp Sensor Signal TAN 18 Engine Temp Switch
Inst Warning Lite power RED 18 "I" IGN Switch
Inst Oil Low Light  
Inst Oil Sensor Signal PURPLE 18 Engine Oil Press Switch
Inst Warning Lite power RED 18 "I" IGN Switch
OMC Color Schematic Cable Pictoral

[1]
This wiring is based on an Evinrude/Johnson/OMC boat with 4-cycle powered I/O engine, built from 1965 - 1970.

Wiring Cable Diagrams are from 1966 Evinrude Sportsman with 120 or 150 hp I/O power.

Compiled by:
Lee Shuster

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