| 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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