Wiring Color Codes

[GordMay]

Engine & Accessory Wiring Color Code (from ABYC ‘E-9' Table XII)

Yellow /w Red Stripe = Starting Circuit (Switch to Solenoid)
Brown /w Yellow Stripe = Bilge Blowers (Switch to Blower)
Dark Grey = Nav. Lites & Tachometer (Switch to Lites & Sender to Tach’)
Brown = Alternator & Pumps (Alt’ to Regulator and Switch to Pumps)
Orange = Accessory Feed (Ammeter to Alternator and Panel to Accessory Switch)
Purple = Ignition & Instrument Feed (Ign. Switch to Coil & Instruments and Panel to Inst.)
Dark Blue = Cabin and Instrument Lights (Switch to Lites)
Light Blue = Oil Pressure (Sender to Guage)
Tan = Water Temperature (Sender to Guage)
Pink = Fuel Guage (Sender to Guage)
Green /w Stripe = Tilt & Trim (Down &/or IN)
Blue w/w Stripe = Tilt & Trim (Up &/or Out)
Red = Positive Feed
Yellow or Black (Yellow Prefered) = DC Negative (Ground)

Notes:
1. North American Standard
2. Circuits may also start at Fuse or Circuit Breaker where indicated from Switch (above)