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Wait, that image says 2011 Focus. Wouldn't that be a later 2nd Gen? Wait again...in Europe the 3rd gen started in 2010, didn't it?

Where'd you get that picture? It looks different from the factory wiring diagrams. Is that from ETIS or something?
 

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Well, it's the C346 chassis, which is the "mk3" as we know it. It did start in 2011 in europe, and in 2012 in North America.

And as far as where it comes from, im truthfully not sure anymore. I know I've had it for a couple of years now, and its been accurate on wire colours for a few different things I've looked up. It also references BLIS, and a few other, more modern, features.


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I can't make out where the connections are. Do you have a better image or post the link?
 

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No link, unfortunately. Its a pdf I've had for years.

What connections are you looking for?

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I'm trying to determine where the rear fog wire feeds into the bcm. Can I move the wires around? I wondered how the bcm would know that the original tail is now a fog light. The led portion does light properly as the tail light and the top still functions as the brake light. I should just be able to correct the wiring for the fog and then enable it in Forscan. How is this any different than enabling the front fogs (which I already have from build)? I've seen so many others do the front and thought the rear would be just as easy.
 

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Unfortunately, where the rear fog connects to the BCM is unique to the edm variant of the focus. To be truthful though, I havent pulled the bcm out and looked to see if there is wiring in the designated position.

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OK. I'm trying to do some wire tracing: my colors may not match yours but here's what I have.
http://imgur.com/gallery/v3C1wsg

1 White-reverse
2 Green-directional
3 Yellow-brake
4 Black - ground
5 Red-fog- not connected to vehicle harness
6 Blue-led tail
 

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Did you download Humble Geek's wiring schematics above? Look for connector C4LS35B.
Pin 1 - brake
Pin 2 - turn
Pin 3 - reverse
Pin 4 - tail light
Pin 5 - fog
Pin 6 - ground

Those go back to connector C1BP02B at the BCM.
 

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i can share my uk as built data if its needed to compare
I'd like to compare your as built data with the US model to see where I can make changes.
 

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Did you download Humble Geek's wiring schematics above? Look for connector C4LS35B.
Pin 1 - brake
Pin 2 - turn
Pin 3 - reverse
Pin 4 - tail light
Pin 5 - fog
Pin 6 - ground

Those go back to connector C1BP02B at the BCM.
OK. This is what I have. I was looking at the connector upside down. My vehicle harness does not have a wire at Pin 5. I cannot read the schematics posted above. Where does pin 5 lead to on the BCM.?
 

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here is some pics of my uk rear lights and light switch

This is very helpful. I only have three wires coming from my North American switch harness: Pins 1, 5, and 7. What is your pin 6 going to?


 

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With the light switch i have i have the oem hid which has automatic headlight leveling with sensors on the front and back arms, on foci with halogen there is another switch in the middle of headlight switch which can adjust the headlights down depending on the load in the car so to stop blind people coming the other way

 

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