O2 Sensor Wire Colors
MANUFACTURER |
SENSOR MFG |
1 WIRE |
1 WIRE |
1 WIRE |
2 WIRE |
2 WIRE |
3 WIRE |
3 WIRE |
4 WIRE |
4 WIRE |
FUNCTION |
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General Motors |
DELPHI |
VIOLET |
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VIOLET |
|
VIOLET |
|
VIOLET |
|
SIGNAL + |
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PINK |
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PINK |
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SIGNAL - |
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BROWN |
|
BROWN |
|
HEATER |
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BROWN |
|
BROWN |
|
HEATER |
|
DENSO |
BLACK |
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|
BLUE |
|
BLUE |
|
BLUE |
|
SIGNAL + |
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WHITE |
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WHITE |
|
SIGNAL - |
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BLACK |
|
BLACK |
|
HEATER |
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BLACK |
|
BLACK |
|
HEATER |
|
BOSCH |
BLACK |
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BLACK |
|
BLACK |
|
SIGNAL + |
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GRAY |
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SIGNAL - |
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WHITE |
|
HEATER |
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WHITE |
|
HEATER |
|
AUTOLITE |
BLACK |
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SIGNAL + |
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FORD |
BOSCH |
BLACK |
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BLACK |
|
BLACK |
|
SIGNAL + |
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GRAY |
|
SIGNAL - |
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WHITE |
|
WHITE |
|
HEATER |
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WHITE |
|
WHITE |
|
HEATER |
|
DENSO |
BLACK |
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BLUE |
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SIGNAL + |
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SIGNAL - |
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BLACK |
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|
HEATER |
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|
BLACK |
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|
HEATER |
|
NGK |
BLACK |
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BLUE |
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|
SIGNAL |
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CHRYSLER |
DENSO |
BLACK |
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BLUE |
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BLUE |
|
SIGNAL + |
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WHITE |
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WHITE |
|
SIGNAL - |
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BLACK |
|
HEATER |
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BLACK |
|
HEATER |
|
DELPHI |
VIOLET |
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SIGNAL + |
|
BOSCH |
BLACK |
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SIGNAL - |
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TOYOTA |
DENSO |
BLACK |
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BLUE |
BLACK |
BLUE |
|
BLUE |
|
SIGNAL + |
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WHITE |
WHITE |
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|
WHITE |
|
SIGNAL - |
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BLACK |
|
BLACK |
|
HEATER |
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BLACK |
|
BLACK |
|
HEATER |
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|
MANUFACTURER |
SENSOR MFG |
1 WIRE |
1 WIRE |
1 WIRE |
2 WIRE |
2 WIRE |
3 WIRE |
3 WIRE |
4 WIRE |
4 WIRE |
FUNCTION |
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|
General Motors |
DELPHI |
VIOLET |
|
|
VIOLET |
|
VIOLET |
|
VIOLET |
|
SIGNAL + |
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|
|
PINK |
|
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|
PINK |
|
SIGNAL - |
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BROWN |
|
BROWN |
|
HEATER |
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BROWN |
|
BROWN |
|
HEATER |
|
DENSO |
BLACK |
|
|
BLUE |
|
BLUE |
|
BLUE |
|
SIGNAL + |
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|
WHITE |
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|
WHITE |
|
SIGNAL - |
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BLACK |
|
BLACK |
|
HEATER |
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|
BLACK |
|
BLACK |
|
HEATER |
|
BOSCH |
BLACK |
|
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|
BLACK |
|
BLACK |
|
SIGNAL + |
|
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|
GRAY |
|
SIGNAL - |
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WHITE |
|
HEATER |
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|
WHITE |
|
HEATER |
|
AUTOLITE |
BLACK |
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SIGNAL + |
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FORD |
BOSCH |
BLACK |
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|
BLACK |
|
BLACK |
|
SIGNAL + |
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GRAY |
|
SIGNAL - |
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WHITE |
|
WHITE |
|
HEATER |
|
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|
WHITE |
|
WHITE |
|
HEATER |
|
DENSO |
BLACK |
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|
BLUE |
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|
SIGNAL + |
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SIGNAL - |
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BLACK |
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|
HEATER |
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|
BLACK |
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|
HEATER |
|
NGK |
BLACK |
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|
BLUE |
|
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|
SIGNAL |
|
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CHRYSLER |
DENSO |
BLACK |
|
|
BLUE |
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|
BLUE |
|
SIGNAL + |
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WHITE |
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|
WHITE |
|
SIGNAL - |
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BLACK |
|
HEATER |
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|
BLACK |
|
HEATER |
|
DELPHI |
VIOLET |
|
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|
SIGNAL + |
|
BOSCH |
BLACK |
|
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SIGNAL - |
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|
TOYOTA |
DENSO |
BLACK |
|
|
BLUE |
BLACK |
BLUE |
|
BLUE |
|
SIGNAL + |
|
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WHITE |
WHITE |
|
|
WHITE |
|
SIGNAL - |
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|
BLACK |
|
BLACK |
|
HEATER |
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|
BLACK |
|
BLACK |
|
HEATER |
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|
HONDA |
DENSO |
BLACK |
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BLUE |
WHITE |
SIGNAL + |
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WHITE |
GREEN |
SIGNAL - |
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BLACK |
BLACK |
HEATER |
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BLACK |
BLACK |
HEATER |
|
NGK |
BLACK |
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WHITE |
SIGNAL + |
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GREEN |
SIGNAL - |
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BLACK |
HEATER |
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BLACK |
HEATER |
|
DELPHI |
VIOLET |
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SIGNAL + |
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NISSAN |
U-JECS |
GREEN |
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BLACK |
BLACK |
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SIGNAL + |
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SIGNAL - |
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WHITE |
RED |
|
|
HEATER |
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|
WHITE |
WHITE |
|
|
HEATER |
|
BOSCH |
BLACK |
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|
BLACK |
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|
SIGNAL + |
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SIGNAL - |
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WHITE |
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|
HEATER |
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|
WHITE |
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|
HEATER |
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|
MAZDA |
DENSO |
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|
BLUE |
|
BLUE |
|
SIGNAL + |
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WHITE |
|
SIGNAL - |
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|
BLACK |
|
BLACK |
|
HEATER |
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|
BLACK |
|
BLACK |
|
HEATER |
|
BOSCH |
|
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BLACK |
SIGNAL + |
|
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GRAY |
SIGNAL - |
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WHITE |
HEATER |
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WHITE |
HEATER |
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MITSUBISHI |
DENSO |
|
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|
BLUE |
|
BLUE |
|
SIGNAL + |
|
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|
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|
WHITE |
|
SIGNAL - |
|
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|
BLACK |
|
BLACK |
|
HEATER |
|
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|
BLACK |
|
BLACK |
|
HEATER |
|
BOSCH |
|
|
|
|
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|
BLACK |
|
SIGNAL + |
|
|
|
|
|
|
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|
GRAY |
|
SIGNAL - |
|
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|
WHITE |
|
HEATER |
|
|
|
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|
WHITE |
|
HEATER |
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|
SUZUKI |
DENSO |
BLACK |
|
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|
BLUE |
|
SIGNAL + |
|
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|
WHITE |
|
SIGNAL - |
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|
BLACK |
|
HEATER |
|
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|
BLACK |
|
HEATER |
|
DELPHI |
VIOLET |
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|
VIOLET |
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|
SIGNAL + |
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|
SIGNAL - |
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|
BROWN |
|
|
|
HEATER |
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|
BROWN |
|
|
|
HEATER |
|
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|
SUBARU |
U-JECS |
GREEN |
RED |
ORANGE |
|
|
BLACK |
BLACK |
|
|
SIGNAL + |
|
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|
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|
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|
SIGNAL - |
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|
WHITE |
RED |
|
|
HEATER |
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|
WHITE |
WHITE |
|
|
HEATER |
|
BOSCH |
|
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|
BLACK |
|
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|
SIGNAL + |
|
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|
SIGNAL - |
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|
WHITE |
|
|
|
HEATER |
|
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|
|
WHITE |
|
|
|
HEATER |
|
DENSO |
BLACK |
|
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|
SIGNAL + |
|
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|
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|
ISUZU |
DENSO |
BLACK |
|
|
|
|
BLUE |
|
WHITE |
WHITE |
SIGNAL + |
|
|
|
|
|
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|
BLUE |
GREEN |
SIGNAL - |
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|
BLACK |
|
BLACK |
BLACK |
HEATER |
|
|
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|
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|
BLACK |
|
BLACK |
BLACK |
HEATER |
|
DELPHI |
VIOLET |
|
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|
VIOLET |
|
|
|
SIGNAL + |
|
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|
|
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|
SIGNAL - |
|
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|
BROWN |
|
|
|
HEATER |
|
|
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|
BROWN |
|
|
|
HEATER |
|
BOSCH |
|
|
|
|
|
BLACK |
|
|
|
SIGNAL + |
|
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|
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|
SIGNAL - |
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|
WHITE |
|
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|
HEATER |
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|
WHITE |
|
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|
HEATER |
|
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|
VW AUDI |
BOSCH |
BLACK |
|
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|
BLACK |
|
BLACK |
|
SIGNAL + |
|
|
|
|
|
|
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|
GRAY |
|
SIGNAL - |
|
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|
WHITE |
|
WHITE |
|
HEATER |
|
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|
WHITE |
|
WHITE |
|
HEATER |
|
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|
BENZ |
BOSCH |
BLACK |
|
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|
BLACK |
|
BLACK |
|
SIGNAL + |
|
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|
|
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|
GRAY |
|
SIGNAL - |
|
|
|
|
|
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|
WHITE |
|
WHITE |
|
HEATER |
|
|
|
|
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|
WHITE |
|
WHITE |
|
HEATER |
|
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|
BMW |
BOSCH |
BLACK |
|
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|
BLACK |
|
BLACK |
|
SIGNAL + |
|
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|
GRAY |
|
SIGNAL - |
|
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|
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|
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|
WHITE |
|
WHITE |
|
HEATER |
|
|
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|
|
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|
WHITE |
|
WHITE |
|
HEATER |
|
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|
PORSCHE |
BOSCH |
BLACK |
|
|
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|
BLACK |
|
BLACK |
|
SIGNAL + |
|
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|
|
|
|
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|
|
GRAY |
|
SIGNAL - |
|
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|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
|
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|
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|
WHITE |
|
WHITE |
|
HEATER |
|
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|
ALFA-ROMEO |
BOSCH |
BLACK |
|
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|
BLACK |
|
BLACK |
|
SIGNAL + |
|
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|
|
|
|
|
|
|
GRAY |
|
SIGNAL - |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
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|
WHITE |
|
WHITE |
|
HEATER |
|
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|
VOLVO |
BOSCH |
BLACK |
|
|
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|
BLACK |
|
BLACK |
|
SIGNAL + |
|
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|
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|
|
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|
GRAY |
|
SIGNAL - |
|
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WHITE |
|
HEATER |
|
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WHITE |
|
HEATER |
|
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SAAB |
BOSCH |
|
|
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|
|
BLACK |
|
BLACK |
|
SIGNAL + |
|
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|
|
|
|
|
|
GRAY |
|
SIGNAL - |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
|
|
|
|
|
|
|
|
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|
|
RENAULT |
BOSCH |
BLACK |
|
|
|
|
BLACK |
|
BLACK |
|
SIGNAL + |
|
|
|
|
|
|
|
|
|
GRAY |
|
SIGNAL - |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
AUTOLITE |
BLACK |
|
|
|
|
|
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|
|
SIGNAL + |
|
|
|
|
|
|
|
|
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|
JAGUAR |
BOSCH |
|
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|
BLACK |
|
|
|
SIGNAL + |
|
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|
SIGNAL - |
|
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|
|
|
WHITE |
|
|
|
HEATER |
|
|
|
|
|
|
|
WHITE |
|
|
|
HEATER |
|
DENSO |
|
|
|
BLUE |
|
|
|
BLUE |
|
SIGNAL + |
|
|
|
|
|
WHITE |
|
|
|
WHITE |
|
SIGNAL - |
|
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|
|
|
|
|
|
|
BLACK |
|
HEATER |
|
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|
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|
BLACK |
|
HEATER |
|
|
|
|
|
|
|
|
|
|
|
|
HYUNDAI |
KEFICO |
|
|
|
BLACK |
|
BLACK |
|
BLACK |
|
SIGNAL + |
|
|
|
|
|
GRAY |
|
|
|
GRAY |
|
SIGNAL - |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
DENSO |
BLACK |
|
|
|
|
|
|
|
|
SIGNAL + |
|
NGK |
|
|
|
|
|
|
|
|
|
SIGNAL + |
|
|
|
|
|
|
|
|
|
|
|
SIGNAL - |
|
|
|
|
|
|
|
|
|
|
|
HEATER |
|
|
|
|
|
|
|
|
|
|
|
HEATER |
|
|
|
|
|
|
|
|
|
|
|
|
KIA |
DENSO |
BLACK |
|
|
|
|
|
|
BLUE |
|
SIGNAL + |
|
|
|
|
|
|
|
|
|
WHITE |
|
SIGNAL - |
|
|
|
|
|
|
|
|
|
BLACK |
|
HEATER |
|
|
|
|
|
|
|
|
|
BLACK |
|
HEATER |
|
BOSCH |
|
|
|
|
|
BLACK |
|
BLACK |
|
SIGNAL + |
|
|
|
|
|
|
|
|
|
GRAY |
|
SIGNAL - |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
|
|
|
|
|
|
WHITE |
|
WHITE |
|
HEATER |
|
|
|
|
|
|
|
|
|
|
|
|
|
STANDARD |
BLACK |
|
|
|
|
BLACK |
|
|
|
SIGNAL + |
|
|
|
|
|
|
|
|
|
|
|
SIGNAL - |
|
|
|
|
|
|
|
WHITE |
|
|
|
HEATER |
|
|
|
|
|
|
|
WHITE |
|
|
|
HEATER |
|
|
|
|
|
|
|
|
|
|
|
|
|
ECHLIN |
|
|
|
|
|
BLACK |
|
|
|
SIGNAL + |
|
|
|
|
|
|
|
|
|
|
|
SIGNAL - |
|
|
|
|
|
|
|
WHITE |
|
|
|
HEATER |
|
|
|
|
|
|
|
WHITE |
|
|
|
HEATER |
|
|
|
|
|
|
|
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Last Updated on 7/13/03
By 4Crawler Off-Road
Email: r.c.brown@ieee.org