Possible to keep rear lights on with DRL? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

cawith · 03-04-2015, 09:16 AM

Hi guys,

I have a EU spec GT86, which came with DRL and xenon headlights.
As it is right now, when the light switch is on auto, in daylight the xenon is off and only the DRL LEDs are on, but the rear LEDs also turn off.

Is it possible to get the rear LEDs to stay on in daylight also? I'm asking because because it's going to be required by law starting January 1st 2016, and my guess is that Toyota either say it's not possible, so I'll just have to drive with the lights fully on all the time, or it's very difficult to change and request a lot of money for it. I haven't talked to them about yet though.

Would a simple re-wiring at the fusebox do the trick?

Thanks!

Casper

Scenic Driver · 03-04-2015, 11:15 AM

The tailights and DRL are both controlled by the main body ecu. It has a ground output for each relay. You would have to wire it so the drl output is turning on both relays.

cawith · 03-04-2015, 12:13 PM

Okay, so does that mean it's not as easy as just rewiring a cable or two in the fuse box below the steering wheel?

cawith · 03-08-2015, 06:05 PM

Can anybody show or explain to me, how I would do the wiring?

03-04-2015, 09:16 AM	#1
cawith Member Join Date: Oct 2014 Drives: Toyota GT86 6M/T Location: Denmark Posts: 90 Thanks: 59 Thanked 7 Times in 5 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Possible to keep rear lights on with DRL? Hi guys, I have a EU spec GT86, which came with DRL and xenon headlights. As it is right now, when the light switch is on auto, in daylight the xenon is off and only the DRL LEDs are on, but the rear LEDs also turn off. Is it possible to get the rear LEDs to stay on in daylight also? I'm asking because because it's going to be required by law starting January 1st 2016, and my guess is that Toyota either say it's not possible, so I'll just have to drive with the lights fully on all the time, or it's very difficult to change and request a lot of money for it. I haven't talked to them about yet though. Would a simple re-wiring at the fusebox do the trick? Thanks! Casper

03-04-2015, 11:15 AM	#2
Scenic Driver Senior Member Join Date: Feb 2013 Drives: 13 Subaru BRZ, 02 Audi TTQ Location: Orange County, NY Posts: 456 Thanks: 61 Thanked 321 Times in 168 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	The tailights and DRL are both controlled by the main body ecu. It has a ground output for each relay. You would have to wire it so the drl output is turning on both relays. __________________

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03-04-2015, 12:13 PM	#3
cawith Member Join Date: Oct 2014 Drives: Toyota GT86 6M/T Location: Denmark Posts: 90 Thanks: 59 Thanked 7 Times in 5 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Okay, so does that mean it's not as easy as just rewiring a cable or two in the fuse box below the steering wheel?

03-08-2015, 06:05 PM	#4
cawith Member Join Date: Oct 2014 Drives: Toyota GT86 6M/T Location: Denmark Posts: 90 Thanks: 59 Thanked 7 Times in 5 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Can anybody show or explain to me, how I would do the wiring?

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