05+ DRL (Daytime Running Lights) Install OEM

[warpwr]

I just finished the mod adding a switch to turn the DRLs off and on by cutting the green (with red tracer) wire as posted by 007Tacoma previously.

I got another fog lamp switch (84160-04010), 4 wire terminals (82998-12340) and a connector (90980-11090).

I connected one side of the cut green-red wire to terminal 4 and the other side to terminal 3.
I connected terminals 1 & 2 to terminals 1 & 2 on the adjacent switch so it lights up with all the other switches when the head or parking lights are on.

Everything works great.

Here's a picture with the new switch shown on the lower row of switches in the middle. This was a vacant spot before.
You do have to file a small slot in the opening to match the switch, no problem.

Thanks to 007Tacoma for the great writeup.

[warpwr]

Originally Posted by mrtomphan

Has anyone with DRL replace the flahser unit to LED flasher unit (CF18) and can confirm if the DRL is still working once you replace to LED flasher unit? I can't seem to find the answer anywhere. I have a 09 that came stock with DRL but want to switch out to LED flasher unit but not sure if I will still get the DRL.

I would like to do LEDs too but the flasher is replaced already in this mod.
If you have the factory DRL then you must already have the larger flasher relay (81980-35020).

If there is an LED flasher that replaces that part then it would probably work fine. I don't know what (CF18) is.
You can try LEDs in there and sometimes the original flasher will work OK. If not they make resistors to add to the lamp circuits, but they get real hot.

Since you have DRLs already, have you noticed any heat or burn marks on the lenses or sockets?

[mrtomphan]

Originally Posted by warpwr

I would like to do LEDs too but the flasher is replaced already in this mod.
If you have the factory DRL then you must already have the larger flasher relay (81980-35020).

If there is an LED flasher that replaces that part then it would probably work fine. I don't know what (CF18) is.
You can try LEDs in there and sometimes the original flasher will work OK. If not they make resistors to add to the lamp circuits, but they get real hot.

Since you have DRLs already, have you noticed any heat or burn marks on the lenses or sockets?

Yea I know about the resistors but I don't want to use that. I would rather replace the flasher unit. Yes right now I changed the amber DRL to yellow ones and I see burn marks on the sockets

[rb11701]

Just finished up the mod on my 2009. Pretty simple. Getting to the spots where it plugs in is crazy in the 2009. TONS of connections. But got it. Looks great! Took about 30 mins or so. No big deal. I was a little nervouse when I started pulling plugs lol, but I just took my time and went slow.

What is this I am hearing about burning the lenses? Is this happening with the stock setup or is from people changing to a hotter bulb?

[Rickochet]

Originally Posted by rb11701

What is this I am hearing about burning the lenses? Is this happening with the stock setup or is from people changing to a hotter bulb?

I did the DRL mod on my '09 and after about 10 months (8K miles) I do not have any lense burning issues. Also all of my driving is during daylight with the DRL's on.

[rb11701]

Good deal. Thanks.

[warpwr]

Originally Posted by Rickochet

I did the DRL mod on my '09 and after about 10 months (8K miles) I do not have any lense burning issues. Also all of my driving is during daylight with the DRL's on.

Yep, thanks. That's good to know.

[05PreRunner]

So...i was just browsing around on XR-U....and found a link to this:


DTRL KIT- $59.95 + Shipping....

http://www.totallytwistedcreations.c...trl_kit_0.html

[MotoXdoer]

i just click the swich on to the running light/parking lights and theier on. no no to wate the money. or just dirve with your light on

[warpwr]

Originally Posted by 05PreRunner

So...i was just browsing around on XR-U....and found a link to this:


DTRL KIT- $59.95 + Shipping....

http://www.totallytwistedcreations.c...trl_kit_0.html

Sounds right. Just watch the shipping charge.
Those parts were 14.72 for the wire relay, 36.70 for the flasher and 12.00 shipping from toyotapart.com for a total of 63.42 including shipping.

[Rickochet]

Originally Posted by MotoXdoer

i just click the swich on to the running light/parking lights and theier on. no no to wate the money. or just dirve with your light on

This has been discussed before. With the lights on you will actually decrease your fuel mileage and will burn you headlamps out sooner.

[rb11701]

How come you lose mileage w/ headlights on? Never saw that thread and I am curious. Would the DTRl lamps being on all the time have a simliar effect?

[Rickochet]

Originally Posted by rb11701

How come you lose mileage w/ headlights on? Never saw that thread and I am curious. Would the DTRl lamps being on all the time have a simliar effect?

I was just relaying what I read. The info may be buried somewhere in this thread. With the DRL on only the DRL are illuminated. With the headlamps on you have higher intensity lamps plus taillights, marker lamps et al. It takes energy to illuminate these. The more lights the more energy needed. The energy comes from gasoline. I think I remember someone suggesting running with headlamps on would reduce mpg by 1 mile per gallon.

[rb11701]

Originally Posted by Rickochet

I was just relaying what I read. The info may be buried somewhere in this thread. With the DRL on only the DRL are illuminated. With the headlamps on you have higher intensity lamps plus taillights, marker lamps et al. It takes energy to illuminate these. The more lights the more energy needed. The energy comes from gasoline. I think I remember someone suggesting running with headlamps on would reduce mpg by 1 mile per gallon.

Yeah, that is a good point. Didn't think like that with all those other lights being on. Makes sense.

[Veccster]

I used to use the headlights but got tired of the other lights dimming (like the clock). I also thought they were on a few times and they weren't. That may sound stupid but when you are in a habit, you miss the obvious (the headlight dash light).

I eliminated all of this and ensured the lights are ALWAYS on = DTRL.


I did NOT do it because of the increased MPG. That doesn't make sense to me. The alternator is generating the electricity necessary to run the lights and the alt is always running and the battery is always charging.

[05PreRunner]

..Just got done w/ the DTRL mod!

This write-up helped GREATLY!!
Thanks 007tacoma!!

-Pics will be up later on today-

[xJuice]

So I'm a little skeptical about these two parts being all you need for this to work correctly.

Observations:
These bulbs have basically three settings they can be in; Off-Lo-Hi. From what I've always seen in DTRLs is when they are on they stay in Lo all the time. When the flashers or blinker come on they switch between Hi and Lo. Well from the pics posted by people in here who have done this and a couple people mentioning these being so bright, looks to me like the lights are always on Hi. (could also explain some people's melting lenses with it being in Hi all the time and creating more heat)

Question:
After doing this method of the mod does the blinker/flasher blink on and off or Hi and Lo?


More observation:
Now looking at this version of this mod http://www.toyotanation.com/forum/t164710.html The lights definitely alternate between Hi and Lo, demonstrated by the pics posted. This mod utilizes the third wire on the plug to the wire. I can only assume this extra wire controls the low portion of the bulb.

Questions:
Do trucks with DTRL from the factory Utilize this extra wire plug?
Am I on to something here?


I know it keeps being said that these two module things is all Toyota would do to put it in, but my logic and observations are telling me that there's more to it. I think you need these two parts in addition to that third wire being utilized and wired into the main harness somehow (not just wiring it up to the other bulb).

[Rickochet]

Originally Posted by xJuice

So I'm a little skeptical about these two parts being all you need for this to work correctly.

Observations:
These bulbs have basically three settings they can be in; Off-Lo-Hi. From what I've always seen in DTRLs is when they are on they stay in Lo all the time. When the flashers or blinker come on they switch between Hi and Lo. Well from the pics posted by people in here who have done this and a couple people mentioning these being so bright, looks to me like the lights are always on Hi. (could also explain some people's melting lenses with it being in Hi all the time and creating more heat)

Question:
After doing this method of the mod does the blinker/flasher blink on and off or Hi and Lo?


More observation:
Now looking at this version of this mod http://www.toyotanation.com/forum/t164710.html The lights definitely alternate between Hi and Lo, demonstrated by the pics posted. This mod utilizes the third wire on the plug to the wire. I can only assume this extra wire controls the low portion of the bulb.

Questions:
Do trucks with DTRL from the factory Utilize this extra wire plug?
Am I on to something here?


I know it keeps being said that these two module things is all Toyota would do to put it in, but my logic and observations are telling me that there's more to it. I think you need these two parts in addition to that third wire being utilized and wired into the main harness somehow (not just wiring it up to the other bulb).

I installed the two parts and my DRL work just like a few trucks I test drove that had them factory installed. I think the bulbs stay on hi during the day so you can see them. The also go off and on when in turn signal mode. I have had mine for almost a year and I do not have any lens scorching issues.