The additional tab on this product page has the instructions for a Limited / STI. They will not be routed the same way.
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SubiSpeed DRL Harness for OEM LED Headlights
2015-2017 Subaru WRX Limited & STI
Give your WRX or STI’s stock headlights true daytime running light function by grabbing SubiSpeed’s drop-in DRL wiring harness!
Details
The Original 2015+ WRX / STI DRL Harness
Highlights:
- Turns the stock Boomerang C-light into a real DRL
- Complete wiring harness with new fuses and quick-taps
- Easy installation with only minor splicing
- Turns outer OEM C-lights into a full-time DRL
- Activates Boomerangs when handbrake is released
Gives your WRX or STI’s Stock Headlights True DRL Function
While the 2015-2020 WRX Limited and STIs come with some of the meanest headlight designs ever put on a stock Subie, but they do have a slight issue. Their aggressive C-clamp “boomerang” LED strips only come on when your high or low beams are actually on. That’s where SubiSpeed’s Boomerang DRL Harness comes in. The True DRL Wiring Harness for 2015-2020 WRX Limited and STIs makes your Subie’s C-clamp Boomerangs come on as soon as you release the handbrake, regardless of your headlight switch position. The end result is an awesome, eye-catching look 24/7 in a complete wiring harness that easily installs with only minor amounts of splicing.Complete Wiring Harness for Both OEM Headlights
SubiSpeed’s DRL Harness comes with everything you need to get a true DRL setup on your Subaru WRX or STI. The harness consists of a pair of add-a-fuses that drop into your Subie’s engine bay fuse box and tap into fuses that have constant 12-volt power when you release the handbrake, along with quick-taps for connecting to the stock headlight wiring harness. The two add-a-fuse kits use 5-amp fuses, and the harness is pre-cut to reach both front headlights without the need for extending it yourself. The harness taps into the stock wiring with minor amounts of splicing and adding a pin to the factory wiring connector. Each harness comes backed by a 1-year limited warranty from SubiSpeed Fitment:- 2015-2020Subaru WRX Limited
- 2015-2020 STI
CHOOSE YOUR PREFERENCE
There are a few options when wiring the SubiSpeed's DRL harness. We'll guide you through those in the instructions / videos (coming soon).
1) High Beam DRL + Boomerang / C-Light / Front Side Markers
2) Boomerang / C-Light / Front Side Markers (MOST POPULAR)
3) High Beam DRL + Boomerang / C-Light / Front Side Markers + Accessories
4) Boomerang / C-Light / Front Side Markers + Accessories
5) High Beam DRL + Accessories
6) Accessories Only
PARTS AND DESIGN
We took all things into consideration while designing this simple harness. One goal was to preserve the stock components and basically leave them untouched or fully reversible. The harness uses add a fuses to make a safe connection inside the engine compartment fuse box. The circuits are protected from electricity flowing the wrong direction. Simply weatherproof your stock connections and just keep them there until you sell the vehicle. At that time you can sell the harness and put the stock lights back in. Oh we also included some t-taps in case you want to light up some accessories. They connect to this aftermarket harness and not your factory wiring. It provides a quick and simple solution.
Includes
- Complete harness with 2x c-light connections and pre wired add a fuses (5 amp capacity)
- 4x T-tap connectors for connecting accessories to the harness
NOTE: Does not include any bulbs. There are no user replaceable C-light bulbs on a limited WRX or STI. Not compatible with Australian models as they use a P13W bulb in the fog light as a DRL.
Warranty
1 year manufacturer's warranty*
FAQ
Anytime the battery is disconnected, there is a chance that the auto windows will need to be reset. This is an easy task to do. Just roll your windows down all the way and then roll them up all the way manually.
7 customer reviews
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Awesome C Light!!
By GENESIS July 22, 2017This was a straight forward install, the toughest part about the install was removing the retaining clip and replacing the wire. Watch some youtube videos on how other users took it out to ease this process. overall i love them! they look so much better than the stock high beam DRL. I wish the stock C Lights were a little brighter! but I have the JDM Fog lights to complement it. ***You have to unplug the DRL resistor on the passenger side, if you would like to disable the high beam DRL.
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Makes a world of difference
By Matt May 8, 2015Nota bene: Disconnecting the fog light resistor requires PULLING the clip, not pushing, to release the two pieces. It took me a while to notice that... This is not a knock on Subispeed. If you're not an idiot like me, the install is super easy.
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Great Product
By Michael April 1, 2015This is a great product. Install was pretty easy. Just remember that the parking break has to be disengaged in order for the DRL to turn on.
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Looks Awesome, Should Be OEM
By Subaru Racer March 21, 2015This is awesome! I have wanted this feature since I got my car. I was driving around with my parking lights during the day so that the C light was on. I wanted to set my infotainment unit to switch to night mode whenever I turned on the headlight, but with the parking lights on, the night mode was enabled. With this harness, I could use the C lights as a DRL without having to have the tail lights/licence plat/side markers lights on and without toggling the infotainment system to night mode! This was harder to install for me at least because I didn't fully understand the instructions. I have provided a video on YouTube to help anyone who might need it. http://youtu.be/oRrk5BX40wA
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Somewhat satisfied
By Kick3699 December 20, 2014First of all I own the STi. In the installation video Yo talks about unplugging the Factory high beam DRL if you don't wish to run the high beams along with the boomerang lights. I would like to add that it may be a fluke or just that I have an STi, but when I unplugged this harness my one touch window feature stopped working and my ECU through a MAF Sensor error. Final result is I plugged it back and everything went back to normal. Other than the option to disconnect the High Beams as DRLs I am pleased.
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really fast and easy!
By Chris December 4, 2014This was super easy to do on my STI. Makes it look alot better during the day with out having your high beams on all the time. Only took about 20 min for the general install and about 5 more to tidy up. Thanks!
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Works Great!
By Daniel November 7, 2014Works great, super easy install. I have this to use just my C-lights and my JDM LED Fog covers as DRLs. The included T-taps make connecting accessories a cinch. The connection is tight but I might end up soldering the connection point between this harness and the LED cover harnesses. I also may end up just having the LED cover for my DRLs. But that's the biggest advantage of using this harness, you can use it for any number of things and not worry about hacking up your car's factory wiring. SubiSpeed: Glad you're enjoying it Daniel! If you're looking for more slack in the wires, please refer to the additional tab on this page where we've added some pictures of how to install it.
QUESTIONS & ANSWERS
No questions have been asked about this product.
