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I have fog lights almost completely installed, I need help with one wire. I followed DIY from this site and the last step is to put a wire from the plug on the new harness into an existing plug on the car, but i have no spot to put that wire, if anyone has any suggestions or had the same problem and figured it out I would like to hear what you did. It is an 02 EX I can snap a pic if I need to.

 
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I'm not certain which wire you are refering to but I'm guessing it is the one that supplies power to the switch in the dash. If this is the wire you are talking about , it provides power for the light in the switch (if it is lighted) and it provides power to the solenoid when the switch is closed. I believe the instructions recommend plugging the wire into the fuse block. Where you attach it depends on how you want the fog lights to work. If you want them available anytime the key is on, then attach it to any power point that is active when the key is on. If you only want them on when the headlights are on, find a point that is active only when the lights are on.
I attached the wire to the cigarette lighter/power point that was next to where the switch mounted. The lighted switch and solenoid do not pull much amps so I was not concerned about the extra current and it is only active when the key is on so the fog lights can't be left on and drain the battery.

 
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you can see from the picture which plug he used. at the end of the sub harness theres a yellow/black wire connected to a plug, pull the black one out so its just the yellow one left (thats what he did as you can see in the picture) and slide that black one into the existing car plug. if you look closely at the picture, the car plug has 4 little spots, and the middle two wires are blue/white and green/red. the wire should slide and lock in.

still not sure why its done like that, i dont have this kit installed so i dont know what that wires for. i probably would have done it another way if i knew exactly what that wire was.

 
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Yea but on his plug it looks like there is only the two wires in it, in mine it is full...idk I will look again

 
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Yea, I know what he did as far as pulling the wire, etc., I didn't have a problem with that, I have the wire pulled from the plug my problem is where to put that wire on the existing car plug....bc his plug in his car has two wires in it and it is an 8 pin harness, whereas mine is an 8 pin harness with 8 wires in it, I am so pissed b/c it is the only thing I need to get them to work. My car has k20a2 swap but that should have nothing to do with the harness being full under the dash.

 
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you sure you are looking at the right one? i looked again at the picture very closely. it looks to me like a 4 pin harness. slots 1 and 4 look empty, slot 2 is blue/white, and slot 3 is green/red. that little part underneath looks like that part you pinch with your finger when you unclip the harness, it doesnt look like you put any wires there. maybe take a better look because to me that doesnt look like an 8 pin harness.

 
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Yea well my harness in that same exact location is an 8 pin and every slot is full so idk what the hell I'm gonna do

 
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The only picture I see is the one unTuned attached, not the from the original post. Since your wiring harness is different I would suggest just using a volt meter to find a point to attach to.
The fog light kit I installed had 3 wires under the dash. There was a red wire that went through the firewall and plugged into a red wire and supplies 12 volts to activate the solenoid. There was a second red wire that attached to a 12 volt power source and there was a black wire that supplied a ground for the light in the switch. The black ground wire had a spade lug on it so I just slipped it under an existing bolt for ground. If you don't hook up the ground the only thing that should happen is the light in the switch will not work. If I remember correctly, the instructions showed attaching the red wire to a spot in the fuse block to the left of the steering column. I chose to attach it to the positive lead going into the lighter since it was much closer and it was switched and not always on.
The instructions are just one way to connect them. I have heard of people that connect them to a source that is always hot so they can be on anytime but if you forget to turn them off you will have a dead battery. I have also heard of people that connect them to the power for the low beams so they only come on when the low beams are on. The idea is that in fog you never use your high beams so turning on your high beams turns off the fogs, this only works if your low beams turn off when you high beams turn on. The simplest is to use a power source that is on when the key is on.

 
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Yea that's what I am going to do Is just take a volt meter and find a hot
wire when the key is on and not when the key is off and just tap it into that bc I only want it to have power when the key is on I will probably end up running to to cigarette lighter like you did as that's the easiest thing to do

 
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if you dont want to actually tap into the cigarette wire itself (which is something ive always been against) you can do it a much cleaner nicer way into a fuse box. you can use the fuse box under the steering column, or extend the wire through the firewall and go up into the engine bay fusebox (thats how i did my undercar lighting). ive attached a picture so you can see how it looks nice and clean too.

its the ride wire coming through the side. i drilled a little tiny hole through the side of the box just big enough to fit the wire through, then put a ring terminal on it and connected it like that to the fuse. youll have to figure out which fuse you want to use if you want to do something like this but its just another option.

 
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I'm not sure why running a wire under the dash, through the firewall and to the fuse box is "a much cleaner nicer way" than running a wire 3 inches from a switch to a power source. I modified the spade on the end of the fog light wire so that it clipped onto the 12 volts wire where it attached to the cigarette lighter and the used heat shrink tape.
There really is no one right way, the only important thing is to have good, tight connections.

 
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well I couldnt put my switch right there bc that accessory spot for a switch is already taken, I have a k20a2 swap in my civic and for some reason the people who did the swap wired the AC compressor up to a switch so the spot by the cigarette lighter has already got a switch....and I dont have cruise control bc of the swap so i took the cruise control switch out and put the fog light switch there so for me it is easier to run wires under steering wheel.

 
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yes, it actually is a much nicer and cleaner way to do it in my opinion, but like i said i was just giving him another option.

i was showing a picture to explain how i did mine (which was not even for a fog light setup) so yes, i ran mine through the firewall and up to a larger and stronger fuse. if you read what i actually said "you can do it a much cleaner nicer way into a fuse box. you can use the fuse box under the steering column" you would see that i am fully aware of what he is trying to do. the picture was to show how i hooked up into the fuse box rather than tapping into an existing line. not to specifically tell him to go through the firewall and up to that fusebox.

anyway, did you get it done bdub?

 
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I put my switch on the left side of the column on the dash?

the little blue-dot round switch is interior blacklights, and the other one is home-grown power door locks.