The following table outlines detail MerCruiser Wiring Colors Code. Please note that Color codes listed below DO NOT apply to fuel injection system harnesses.

and Abbreviation Function and Location

Black (BLK)
Brown (BLU)
Orange (ORN)
Lt. blue/White (LT BLU/WHT)
Gray (GRY)
Green/White (GRN/WHT)
Tan (TAN)
Light blue (LIT BLU) 
Pink (PNK) 
Brown/White (BRN/WHT)
Purple/White (PUR/WHT)
Red (RED)
Red/purple (RED/PUR) 
Red/purple (RED/PUR) 
Orange (ORN)
Purple/Yellow (PUR/YEL) 
Purple (PUR)
Yellow/Red (YEL/RED)

All Grounds
Reference Electrode – MerCathode
Anode Electrode-MerCathode
Trim – ”Up” Switch
Tachometer Signal
Trim – ”Down” Switch
Water Temperature Sender to Gauge
Oil Pressure Sender to Gauge
Fuel Gauge Sender to Gauge
Trim Sender to Trim Gauge
Trim – ”Trailer” Switch
Unprotected Wires from Battery
Protected (Fused) Wires from Battery
Protected (+12V) to Trim Panel
Alternator Output
Ballast Bypass
Ignition Switch (+12V)
Starter Switch to Starter Solenoid to Neutral Start Switch

Keywords:

    mercruiser ,mercruiser wiring schematic,mercruiser wiring color codes,

Related posts:

Volvo C70 Convertible Wiring Diagram, Cable Harness and Routing (1998)
Ford Sierra Cosworth Wiring Diagram (1991)
1997 Infiniti J30 Wiring Diagram Harness Layout Fuse and Relay
2009 Nissan Sentra Refrigerant Flow Schematic Diagram
2007 Honda Pilot EX Engine Wire Harness Diagram