Automobile Wiring Diagram Labels

By: Dusty Arlia
Published on November 17, 2011
Last Updated on Sunday, July 05, 2015 at 4:44 PM
Total Updates: 5

Some of the labels and symbols you will find on an automobile wiring diagram will differentiate based on the manufacturer of the vehicle. If something has dual meanings or if something is unique to a specific vehicle, we will do our best to identify these labels and symbols.


Color Codes

B - Black color wire
BR - Brown color wire
DRK GRN - Dark green color wire
G - Green color wire
L - Blue color wire
LG - Light green color wire
O - Orange color wire
P - Pink color wire
R - Red color wire
SB - Sky blue color wire
V - Violet color wire
W - White color wire
Y - Yellow color wire
YEL/BLK - Yellow color wire with a thin black stripe


Symbols

- Coil
- Coil / Solenoid
- Connector / Splice
- Crystal Resonator
- Diode
- Diode
- Dual Filament Light Bulb
- Fuse
- Fusible Link
- Fusible Link
- Heating Element
- Horn
- Horn / Speaker
- LED
- Light
- Motor
- Potentiometer
- Resistor
- Resistor
- Single Filament Light Bulb
- Solenoid
- Solenoid / Coil
- Speaker / Horn
- Splice / Connector
- Switch
- Thermistor
- Thermistor (another symbol)
- Variable Resistor


10A - 10 Amp Fuse/Circuit Breaker
20A - 20 Amp Fuse/Circuit Breaker

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