Question about 2003 Ford Focus
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Posted on Jan 02, 2017
7way- black is 12volt (power), brown, running lights, yellow is left turn signal and stop light, green is right turn signal and stop light, white is ground, blue is brakes, and orange is aux power (can be back up lights, if trailer equipped w/ them). 6way is the same, minus orange wire. I have run into some variations to the above color codes (brown, yellow and green only-sometimes these 3 are different than stated, but only mixed as that group, as to what they control- example would be green is running lights, brown and yellow are turn signal and stop lights, the others should be as stated), if you have any trouble with things not working properly, it may be due to these variations, although the above are pretty standard. If you have an ohm meter you can check as you go (check for power at black wire- should be constant 12v, turn on turn signal and check for power-it will fluctuate from approx. 12 volts to 0 volts as the signal power pulses in the wire) hit the brakes, blue wire should show power, etc. Let me know if you need more help as you go.
Posted on Apr 11, 2009
A test light checking each connector would be faster and easier to do. Maybe somebody may have a illustration for you but by far a simple test light is all you need with a helper turning on the different lights as you check them out and writing all your findings down
Posted on Jan 22, 2010
SOURCE: I need the wiring diagram
This is the diagram for the fog lamps ( headlamp is a different cell ).
If you are trying to add them to the existing wiring, do not expect the headlamp switch to cab fuse panel wiring to be there ( that is usually what is missing when you can find the fog lamp connectors under the front of the truck ).
File Save as so you can magnify it with the JPEG viewer you use.
Close up of switch
Posted on Jan 28, 2011
Testimonial: "Thanks for the diagram, I'll have a pro install the needed wiring."
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