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Old 12-18-2016, 03:44 PM   #1
certainphate
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Default 2015+ Limited C Light DRL Help

Hi everyone,

I have been working on my own harness for the C lights for DRLs to save some cash. I have all the parts but can't get the wiring just right. When I have one headlight go to each fuse(HB/LB) obviously only one side lights up when HB or LB is on. When I wire them together my low beams are constantly on. Does anyone have any idea or more insight into the harness to share? I can list my parts as well if anyone is interested in making their own.
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Old 12-18-2016, 06:24 PM   #2
hpclayto
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Quote:
Originally Posted by certainphate View Post
Hi everyone,

I have been working on my own harness for the C lights for DRLs to save some cash. I have all the parts but can't get the wiring just right. When I have one headlight go to each fuse(HB/LB) obviously only one side lights up when HB or LB is on. When I wire them together my low beams are constantly on. Does anyone have any idea or more insight into the harness to share? I can list my parts as well if anyone is interested in making their own.
What exactly are you trying to accomplish? I just did C lights on my limited.
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Old 12-18-2016, 06:28 PM   #3
certainphate
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Originally Posted by hpclayto View Post
What exactly are you trying to accomplish? I just did C lights on my limited.
trying to make my c lights as a DRL by making my own harness with add a fuse, headlight pin, and wiring similar to what subispeed/subiebros sell. I cant tell if the wiring is desperate per fuse or linked as if it is separate it is only one c light at a time and together the low beams are always on
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Old 12-18-2016, 07:47 PM   #4
hpclayto
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Originally Posted by certainphate View Post
trying to make my c lights as a DRL by making my own harness with add a fuse, headlight pin, and wiring similar to what subispeed/subiebros sell. I cant tell if the wiring is desperate per fuse or linked as if it is separate it is only one c light at a time and together the low beams are always on
All I did was splice the c lights into the green wire coming out of the DRL resistor.
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Old 12-18-2016, 07:48 PM   #5
certainphate
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All I did was splice the c lights into the green wire coming out of the DRL resistor.
looking to make a real harness rather than splice.
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Old 12-19-2016, 05:53 AM   #6
minx1225
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Tbh, i dont know why you would want to take the harder route. Old fashioned way works fine. Mine works with zero problem. Even works well with led fogs connected as drl.
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Old 12-19-2016, 10:54 AM   #7
certainphate
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Tbh, i dont know why you would want to take the harder route. Old fashioned way works fine. Mine works with zero problem. Even works well with led fogs connected as drl.
don't want to cut wires and have it be able to go back to stock easily enough.
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Old 12-19-2016, 11:40 AM   #8
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Add a fuse to the high and low beam.. have them both go to 1 wire, making it into a "Y".

Then that "Y" has to go to another "Y" so you can run one to the passenger side and one to the drivers side light(if that makes sense)

If you watch an install video for the DRL harness, you will see what wire to plug into/depin, in the headlight socket.. I don't know if there NEEDS to be a ground.. but there's a ground also on the subispeed harness, but that might be only to add an accessory, I.e. Fog bezel
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Old 12-27-2016, 02:54 PM   #9
certainphate
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Originally Posted by Kryptonnyc View Post
Add a fuse to the high and low beam.. have them both go to 1 wire, making it into a "Y".

Then that "Y" has to go to another "Y" so you can run one to the passenger side and one to the drivers side light(if that makes sense)

If you watch an install video for the DRL harness, you will see what wire to plug into/depin, in the headlight socket.. I don't know if there NEEDS to be a ground.. but there's a ground also on the subispeed harness, but that might be only to add an accessory, I.e. Fog bezel
tried this and only getting my c light plus low beams. the pin i am using is the far right top on both plugs.
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Old 12-27-2016, 06:25 PM   #10
SubiDoogie
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Cool project, but the problem with the Limited C-lights as a DRL, you can't see the C-light from more than a couple feet away. You'd be better off going with the Morimoto C-lights if you want a better DRL option.
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Old 12-27-2016, 07:12 PM   #11
certainphate
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Originally Posted by SubiDoogie View Post
Cool project, but the problem with the Limited C-lights as a DRL, you can't see the C-light from more than a couple feet away. You'd be better off going with the Morimoto C-lights if you want a better DRL option.
going to get JDM fog bezels once I get this working properly which is why I am trying it
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Old 12-28-2016, 02:58 PM   #12
sublyme
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why dont you just unplug the DRL resistor?

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Old 12-28-2016, 06:32 PM   #13
Kryptonnyc
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Quote:
Originally Posted by certainphate View Post
tried this and only getting my c light plus low beams. the pin i am using is the far right top on both plugs.
if you have the resistor unplugged. thats what your outcome should be..

headlight thing turned to off = C light

turned to parking lights = c light and side markers

turned to on = low beams and c lights



(all with e brake down.. unless the headlights are on, then you will get low beam and c lights with e brake up)
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Old 12-28-2016, 08:07 PM   #14
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Originally Posted by Kryptonnyc View Post
if you have the resistor unplugged. thats what your outcome should be..

headlight thing turned to off = C light

turned to parking lights = c light and side markers

turned to on = low beams and c lights



(all with e brake down.. unless the headlights are on, then you will get low beam and c lights with e brake up)
Your C light and side markers will always be on. Since the C light is wired with the side markers, they will be illuminated in any state that the C lights are on.
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Old 12-29-2016, 10:11 AM   #15
Kryptonnyc
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Not if you have the subispeed DRL harness setup.

You are hooking the power wire into the power for the c light.. making the c lights have power all the time. The side markers run off a different power wire
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