DIY: Disable DRL / Autolights and/or Independent Fog Light Mod w/ Pics - Toyota Nation Forum : Toyota Car and Truck Forums

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post #1 of 406 Old 08-10-2009, 07:23 PM Thread Starter
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Thumbs up DIY: Disable DRL / Autolights and/or Independent Fog Light Mod w/ Pics

Note: If you find this helpful please use the thanks button under this post.

I searched and could not find any straight out directions with pictures so here it is!

Needed:
Small amount of time
Wire snips
Electric Tape

If you wish to do the independent fog light mod you will also need:
10MM Ratchet or Socket
Wire strippers
Grounding connector (U or O shaped thing that connects to the wire for a ground)

1st we need to remove the lower glove box. Instructions and pictures may be found in your owners manual on p. 344. But it is very simple just disconnect the damper. (The hydraulic looking arm just slides off.) Then squeeze around the top of the glove box and pull down then out. Ta Da!

You will see a white connector with many wires attached to it as in the pictures below.
The numbers are referenced as
[1]
[2]
[3] [12]
[4] [13]
[5] [15]
etc etc
etc etc
etc etc

The two important ones are fog lights ([4] white) and (DRL [12] blue)

MAKE SURE THE IGNITION IS OFF AND KEY REMOVED!

Disable DRL / Autolights Directions

1. Unplug the connector. (Just squeeze white tab and pull)
2. Snip the blue wire at pin [12] about half way between tape and connector. 12 is on the top of the right column of wire.
3. Wrap electric tape around both ends so that they cannot connect or ground to anything.
Ta da! No more DRL / Autolights

Independent Fog Lights Directions (Make sure fog lights are off)
Note: There will be no warning buzz if you leave the fog lights on when exiting the vehicle. However the headlight buzz still works.
1. Unplug the connector. (Just squeeze white tab and pull)
2. Snip the white wire at pin [4] about 1.5 inches from connection.
3. Pull the white wire from the bundle by pulling it from the top. (This gives you more length to ground)
4. Strip a small amount of wire and crimp whatever you will be using to ground the wire.
5. Ground wire. (I back out the 10mm bolt to the left of the connector, grounded connection, and tightened it back up.
Ta da! You now have full control of your fog lights!

EDIT: You may also use a wire tap and run it to a ground and you will not have to cut the white wire.

Now test everything out to make sure it is working properly and reassemble your glove box.

Here are some pictures. Sorry I didn't get any before pictures, but I about forgot the pictures all together.

Here is the blue wire after snip and tape.


Here is the grounded fog light wire.








EDIT: ANOTHER METHOD TO CONSIDER

Quote:
Originally Posted by inspmm View Post
T-SB-0216-10 covers disabling the running lights. It's very easy to do, the connector E91 is behind the glove box. Snip and tape the small blue wire at pin #12 and tape both ends. ( snip it an inch back from the connector in case you want to splice it back together again ). If you want to just disable the "auto" headlight on function only, don't snip the #12 wire that disables the DRL function, snip the small grey wire at pin #20. That'll make the light sensor inoperative and you can turn the headlights on and off with the stalk switch like normal. Again, tape the wire ends and leave enough wire to splice it back together should you want to. The TSB link is below:
http://alflash.com.ua/Refer/T-SB-021...aytime_dis.pdf

Quote:
Originally Posted by cu2cool View Post
Cutting the blue #12 wire will disable both DRL and auto lights. Cutting the grey #20 wire will still allow DRL to function with auto lights disabled. It's just an alternative to unplugging the sensor. (Easier IMO, even though I haven't tried this.)
Quote:
Originally Posted by Shft99 View Post
Open the coin tray.
Squeeze the sides in for the coin tray and it'll drop down more
Pull the tray straight out.
Then pull out the whole panel and remove the connectors from the mirror controls.
Then you have access to the switch blanks and they just pop out by squeezing the tabs




The diagram below is pretty straight forward.
You'll need:
Switch
relay (4 Pin or 5 pin is fine Doesnt matter)
4 female spade connectors (to connect to the relay pins)
15 amp fuse and fuse holder
18 to 24 Gauge wire
Get everything above and I'll walk you through it yeah?



Correct. I simply got my own wires and connected the ends to the blue DRL wire (to extend it) and ran it all the way across the dash to the switch panel.
Quote:
Originally Posted by cu2cool View Post
This should be in the first post as well IMO Greg. I would think most people want their fogs to turn off automatically when the car is off. (Not possible with grounding fog wire alone.) An important note to make before turning on the power to test, is that the relay MUST be grounded. The blue and white wires connected to the relay MUST be hooked up correctly so that they do not run against each other and short circuit. (ie. 87 and 30, or 85 and 86) I did this and blew a fuse, but another member apparently FUBAR'd his car completely. Set it up exactly as Shft's diagram suggests. Lastly, 87a is not used if you have a 5-pin relay.
Quote:
Originally Posted by Shft99 View Post
Correct. I simply got my own wires and connected the ends to the blue DRL wire (to extend it) and ran it all the way across the dash to the switch panel.


Last edited by FlawedLegacy; 02-01-2012 at 12:59 PM. Reason: added more to first post
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post #2 of 406 Old 08-10-2009, 07:54 PM
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Nice work! This has been explained on here several times, but never with the aid of pictures, should help up any future confusion.
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post #3 of 406 Old 08-10-2009, 08:08 PM
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another thread on the topic

fog light mod

btw, great job on the pic tutorial

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post #4 of 406 Old 08-10-2009, 08:10 PM Thread Starter
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Quote:
Originally Posted by trucknut1 View Post
another thread on the topic

fog light mod

btw, great job on the pic tutorial
Thanks,

I saw that thread but was still somewhat confused plus there were no pics. But that is the thread I kinda figured out how to do it!
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post #5 of 406 Old 08-10-2009, 09:02 PM
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Do you really have to disconnect the fog lights or can you just splice in a ground?
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post #6 of 406 Old 08-10-2009, 09:04 PM Thread Starter
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Originally Posted by ChancreScolex View Post
Do you really have to disconnect the fog lights or can you just splice in a ground?
You can splice in a ground! I will edit the post to reflect that.
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post #7 of 406 Old 08-10-2009, 09:11 PM
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Quote:
Originally Posted by ChancreScolex View Post
Do you really have to disconnect the fog lights or can you just splice in a ground?
Yes. I just tapped in with a wire tap and ran a new ground wire to the same location as above.
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post #8 of 406 Old 08-10-2009, 10:00 PM
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question.. can you still have the DRL on.. but if you ever wanted to turn your secondary lights.. the secondary and your fogs will turn on.. and your DRL will turn off...

can you do that? thanks in advance!

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post #9 of 406 Old 08-10-2009, 11:54 PM
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Quote:
Originally Posted by andrewwoo View Post
question.. can you still have the DRL on.. but if you ever wanted to turn your secondary lights.. the secondary and your fogs will turn on.. and your DRL will turn off...

can you do that? thanks in advance!
Yeah. You either leave everything as is and just always leave the foglight switch on or you do the foglight mod.
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post #10 of 406 Old 08-11-2009, 01:59 AM
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Thanks. I have read the other thread about DRL, the pics help a lot.
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post #11 of 406 Old 08-13-2009, 01:01 AM
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i was thinking... is the parking lights in the bundle of wires? cant i just splice that with the fog lights and it'll do the same?

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post #12 of 406 Old 08-13-2009, 05:23 AM Thread Starter
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Quote:
Originally Posted by andrewwoo View Post
i was thinking... is the parking lights in the bundle of wires? cant i just splice that with the fog lights and it'll do the same?
I am not sure which one would be parking lights, but then the fog light are not independent.
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post #13 of 406 Old 08-13-2009, 10:57 PM
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oh yes. isnt one of the wires that are in the bundle of wires ground? thanks in advance?

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post #14 of 406 Old 08-14-2009, 04:33 AM Thread Starter
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Quote:
Originally Posted by andrewwoo View Post
oh yes. isnt one of the wires that are in the bundle of wires ground? thanks in advance?
That would mean you were splicing another wire and more likely to have something go wrong down the road. It is much easier to ground to a bolt anyways.
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post #15 of 406 Old 08-14-2009, 10:24 PM
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Thanks so much, Worked perfectly!!!
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