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Footwell lighting question...

Does anyone know if there's a difference between tapping into the blue and white wire or tapping into the fuse using the fuse link?
 

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Anyone familiar with the new Ford Fusions setup? The lights stay on when the car is on. Very light and looks awesome. I saw on the panels by the knees they had little holes with LED's in them and something under the steering column and passenger dash. I'd like to get it to look like that if I do it and I'd really like to.
 

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John
no the light come back onreal dim 10 min. after i shut the door
Figured this out I think.
I had installed some LEDs in the side panels behind the seats to give a little light when getting things from back there, and they did the same thing, coming on really really dim after 10-15 mins.
I was thinking about a resistor to add more load but still needed to add my footwell lights. Once they were installed the problem went away.
It's all about the in-circuit load factor.

So basically, anyone with this problem just needs to add more LEDs. :lol:
 

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Discussion Starter #105
Does anyone know if there's a difference between tapping into the blue and white wire or tapping into the fuse using the fuse link?

You need to use the blue and white wire because the dimming out of the light is controlled by the BCM through the ground, if you tap into the fuse link you will have a constant on situation unless you tie the ground wire into the blue and white wire. The blue and white wire is actually a ground wire.
 

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You need to use the blue and white wire because the dimming out of the light is controlled by the BCM through the ground, if you tap into the fuse link you will have a constant on situation unless you tie the ground wire into the blue and white wire. The blue and white wire is actually a ground wire.
I'm about to add some of these also. Is the blue and white wire in the BCM harness also? I'm not spotting it in any of the pictures. Also is it blue with white strip or white with Blue strip. I'm assuming it's the first of the two since you said it "blue and white". Correct?
 

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Discussion Starter #107 (Edited)
I'm about to add some of these also. Is the blue and white wire in the BCM harness also? I'm not spotting it in any of the pictures. Also is it blue with white strip or white with Blue strip. I'm assuming it's the first of the two since you said it "blue and white". Correct?
To clear up a mistake on my part it is not the blue and white wire you need to hook the ground to it is the "gray" wire show in post #53 here http://www.solsticeforum.com/forum/f62/foot-well-lighting-49725/index4.html I am not sure of the significance of the blue and white wire.
 

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Hate to drag up an old topic here, but just getting around to finally putting some footwell lighting in my Inferno, and I did most of it without even having to find this thread. Basically remembered how I tapped the door sills in, and went from there. The only problem is, the ground wire. I don't want these lights going off with the map lights, I want them on all the time, while the car is running. I found the perfect wire to tap into for power, that comes on with the ignition, but the ground wire I tapped into (same as the door sills) makes them shut off when the map lights shut off. How can I fix this? I assume there are a couple/few ground wires I can possibly tap into. Which one would provide me with a constant ground?
 

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Strip the end of the wire and wrap it around any screw that goes into a piece of metal under the dash. The whole car body is a ground.
 

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Well, ya, I could do that, but I'd rather tap into a wire to keep it clean if possible.
 

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Then find another wire that attaches to a wire under the dash and tie into that. Who's going to see it anyway? Crimp a connector on the end of the wire to put it under the screw if you want it to be pretty.
 

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Strip the end of the wire and wrap it around any screw that goes into a piece of metal under the dash. The whole car body is a ground.
I agree. :agree: What's not clean about putting the ground wire around a screw? :willy: Crimp a terminal lug on the wire then attach it the screw if you want a "cleaner" install. Tapping into another wire to find ground is unnecessary and electrically idiotic in this case.
 

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I was just going off the idea from the door sills, that used the ground wire from the map lights. I wanted to keep everything tucked in around the BCM, but no worries, I decided to go with the advice here and put a lug on the one screw by the BCM so the day is saved. I'm not a professional at this by any means, but I do like to make it look like it wasn't spliced together by a 16 year old either.
 

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For those wanting to add LED lighting to the foot well and tie them into the map light so they will dim out like the map lights here is a short tutorial for the proper connections. I have the standard mirror and have OnStar so if you have the same mirror these instructions will work for you. You do not need to install a relay with this setup. I used 9 inch led strips that have adhesive strips purchased from Advanced Auto.


Remove the sun visors and the pull down on the panel above the windshield it has metal clips that snap in. Once panel is down you will see a bundle of wiring running from the mirror. Gently peel back some of the binding and locate the "Gray" wire.

Be careful not to mistake it for a gray wire with a black stripe in it. Once wire is located use a wire connector like the one in picture. This wire is connected to the ground wire on the Led lights. I connected my wire here and fed it through the straps that hold the harness for the mirror.

I then took small plastic ties and tied the new wire to the mirror harness so they will not rattle later when driving. I pulled down the side panel and fed the wire down and removed the side dash panel to access it.

I then went to the fuse panel on the passenger side and found a "hot" outlet that does not require the key to be on. I used slot #27 the interior lights 10amp fuse socket.

Using a fuse link I purchased at Auto Zone


I removed the center console and ran my wiring around to the passenger side fuse box.

Here is the wire connector I used to tap into the gray wire in the mirror harness.

I wired 2 led stripes and tested my setup and it worked perfect.
GODROD
Looks like the pics moved. Good thing I had a probe and decent memory. Love this mod (my first)!


I Skipped altering the map lights but did tap into the circuit for theater dimming. I also found a good cross over point over the hump and slid my fish tape through there and pulled some white wire as a future pull string as well as the leads for the driver side.

Here is my fish tape entering the passenger side hump:


You can see the end of the fish tape through this slit:



All other pics are as described in Hoosier GXP's awesome post. Thanks Hoosier!

Here is the grey wire (one of 3 on my gxp) in this connector


Tapping the grey (ground wire)


Tapping the power as he described


Result 1


Result 2
 

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So to follow up, I tapped into the dashboard illumination wires of the fog light switch so than my blue LED light bars mounted in the footwells come on whenever the headlights and dash lighting turn on. Works perfectly.
 
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