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Electrical Distributor... Serving The Industry Since 1973! 

 Technical Information - Wire Color Codes & Identification

 

Chart#1... Wire Color Codes DC Circuits

Color Function Use
Red DC Positive Conductor Positive  Mains
Yellow or Blk DC Negative Conductor Negative Mains
Green DC Grounding Conductor Bonding Wires (insulated)
Lt. Blue Oil Pressure Oil Pressure Gauges &Senders 
Dk. Blue Cabin & Inst Circuit Breakers or Switch to Lights
Brown Gen Armature Generator Armature to Regulator
  Alt Charge Light Generator Terminal or Alternator Aux Terminal to Regulator
  Pumps Circuit Breakers or Switch to Pumps
Green Bonding System Bonding Wires (insulated)
Grey Navigation Lights Circuit Breakers or Switch to Lights
  Tachometer Tachometer Gauges & Senders 
Orange Accessory Feed Amp Mtr to Alt or Gen Output & Acc Circuit Breaker & Switches
  Common Feed Distribution Panels to Accessory Switch
Pink Fuel Gauge Fuel Gauge Sender to Gauge
Purple Ignition Ignition Switch to Coil & Electrical Instrument
Purple Instrument Feed Distribution Panel To Electrical Instruments
  Main Power Feeds Positive Mains (particularly un-fused)
Yellow Generator Field Generator to Regulator Field Terminal
Brn /Yel Bilge Blowers Fuse or Switch to Blower
Yel /Red Starting Circuit Starting Switch to Solenoid
Tan Water Temp Water Temp To Sender To Gauge
Green/Stripe Tilt Down/Trim In Tilt & Trim  Circuits
Blue/Stripe Tilt Up Or Trim Out Tilt & Trim  Circuits

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 Revised:03/18/2014 07:49:33