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DTRL toggle switch mod (stealth mode)

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Old 09-30-2010, 08:43 PM   #21
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Old thread, but very helpful.
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Old 11-27-2010, 05:32 AM   #22
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You rock! Thanks!
I just got a new Taco and my old one didn't have these annoying DTR things.
I wouldn't mind so much if they just came on in gear in the daytime, but idling in the driveway at night, they scream..."look everyone an unoccupied truck with the keys in it!"

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Old 11-27-2010, 08:13 AM   #23
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Thanks for the great mod thread. This is the solution to my number one nagging dislike on my new Taco. Going to try it this weekend.

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Old 11-28-2010, 06:01 AM   #24
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Well I followed the directions and did it successfully yesterday. Only difference was I found it easier to disconnect the connector from the black relay(?) box that is attached to the passenger side of the under-dash fuse block.
Then I followed the wire harness from that disconnected connector up to where it was electrical taped to a wire holder clip near the center back of the fuse block. Be cutting the tape I was able to get enough slack to work on the harness from a sitting position.
Carefully cut some tape off the harness near the disconnected connector to get at the light green/red tracer wire. Cut that wire and soldered and taped a pair to a switch I put on the dash. Taped things back up and reconnected the harness to the black box. (I used a small screwdriver to depress the release tab on the connector which is on the passenger side of the connector--it unplugs kind of tight but it should come off the balck box)

This is on a 2011 model.
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Old 11-28-2010, 07:10 AM   #25
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dtrl mod

Is that connector located on the whole box located under the drivers side dash but the connector is on the passenger side of that box? And where you able to do it without dismantling dash??? Looked at mine yesterday and just didn't seem to be enough room to get in there.
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Old 11-28-2010, 01:23 PM   #26
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If you get on your back and look up at the underside of the fuse block, there is a black box attached to the passenger side of the fuse block. There is a connector off the bottom of that box. I didn't disassemble anything except I unclipped the OBD connector and slid it out of my way.

Definitely need a flashlight and you will get scratched up.
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Old 11-28-2010, 03:04 PM   #27
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very nice. Thanks for the info. Unfortunately got called in to work so looks like i'll have to put this one off until next weekend
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Old 11-28-2010, 07:37 PM   #28
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I carried a pager for years. I feel for ya.

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Old 11-28-2010, 07:41 PM   #29
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do you NEED a switch????? bec i did the DTRL mod to my truck today without a switch and now im seeing all this switch shit for it
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Old 11-29-2010, 02:23 AM   #30
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Me likes this thread/DIY!
Still a bit confused on the 'spliced' pic and what it should look like when finished.
Thank you.
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Old 11-29-2010, 04:26 AM   #31
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Quote:
Originally Posted by ETAV8R View Post
Me likes this thread/DIY!
Still a bit confused on the 'spliced' pic and what it should look like when finished.
Thank you.
The light green with the red tracer wire is cut, and an on/off switch is wired in to make and break that wire's now cut connection.

Quote:
Originally Posted by MMazz365 View Post
do you NEED a switch????? bec i did the DTRL mod to my truck today without a switch and now im seeing all this switch shit for it
I suppose you can just cut and tape the wire ends if you never want the DTRs to come on. I put in a switch so I can usually have them, but turn them off when I don't want them. Easy peasy once you know which wire and how to get to it...thanks to the OP.
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Old 11-30-2010, 03:03 PM   #32
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Wow, not only a super tacoma modifier, but you also have x ray vision?????????????????????????
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Old 11-30-2010, 03:39 PM   #33
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I'd be in Las Vegas right now if I did....
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Old 12-03-2010, 06:21 PM   #34
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I'm itchin to do this but just not sure I'd be able to pull it off.

On a side note does anyone have a link on how to hook up a light in my shell/topper to the rear lights? TIA
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Old 12-07-2010, 08:31 AM   #35
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I got my test light out and checked the electricity coming to the wires. The green and red one never has fire coming to it. The black and red one does when the dtrl are on and flashes when the blinker is on. So it's the one that actually has the electricity coming to it, and if I interrupt power to it I won't have blinkers.

Like I said the other wire has no electricity coming to it, so how will cutting it affect anything?
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Old 12-07-2010, 10:11 AM   #36
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Quote:
Originally Posted by toyoda View Post
I got my test light out and checked the electricity coming to the wires. The green and red one never has fire coming to it. The black and red one does when the dtrl are on and flashes when the blinker is on. So it's the one that actually has the electricity coming to it, and if I interrupt power to it I won't have blinkers.

Like I said the other wire has no electricity coming to it, so how will cutting it affect anything?
Your post is very confusing. You need to consult a wiring diagram for your year truck and make sure nothing has changed. The instructions I wrote work perfectly for the 2009 model truck with the DTRL feature.

I used a 2007 wiring diagram for reference before doing this mod. The links below *may* help you.

Reference electrical diagram here:
http://www.tacomaworld.com/forum/tec...le-switch.html

EDIT(5-20-10): I found a similar thread by 007Tacoma here: http://www.tacomaworld.com/forum/tec...le-switch.html
He took out the harness and he has some good pics.
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Old 12-07-2010, 11:59 AM   #37
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Sorry for the confusion. I was trying to say I took out my electric test light and crawled underneath the dash, found the harness, etc. and that's where I got confused.

The reason I was confused is that the green/red wire, the one you said to cut, never had any electricity going to it so I didn't see what snipping it would accomplish. the wire next to it, being black/red, DID have electricity. when the lights were on it didn't, when they were off (and therefore the DTRL were on) it did have electricity. It also had electricity going to it (and flashing) when the blinkers were on. I knew I'd found the wire going to the DTRL/blinkers, but I also kew if I cut it I'd be cutting that light off completely and wouldn't have my turn signal.

I took a blind leap of faith and went by your instructions, and thank god the 2010 is wired just like your 09. Cutting the green/red wire did work (wasn't going to add a switch but I said what the hell and did it anyway). I guess it just goes to that relay or something.. Still sort of confusing that it never has electricity going to it though. Either way it works so I'm not complaining.

Thanks again! The truck looks much better now.
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Old 12-07-2010, 01:09 PM   #38
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Quote:
Originally Posted by Crom View Post
...The instructions I wrote work perfectly for the 2009 model truck with the DTRL feature.
It worked on my 2011 too.
Maybe the green-red wire id a ground signal. I didn't test it. It works on the new truck and thank you.

Quote:
Originally Posted by ETAV8R View Post
On a side note does anyone have a link on how to hook up a light in my shell/topper to the rear lights? TIA
Since the turn signal is a separate lamp from brakes, the center brake light on the topper on mine was just run of the driver's side brake lamp filament circuit, and the topper interior light was off the parking light circuit.
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Old 12-07-2010, 01:27 PM   #39
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Quote:
Originally Posted by toyoda View Post
Sorry for the confusion. I was trying to say I took out my electric test light and crawled underneath the dash, found the harness, etc. and that's where I got confused.

The reason I was confused is that the green/red wire, the one you said to cut, never had any electricity going to it so I didn't see what snipping it would accomplish. the wire next to it, being black/red, DID have electricity. when the lights were on it didn't, when they were off (and therefore the DTRL were on) it did have electricity. It also had electricity going to it (and flashing) when the blinkers were on. I knew I'd found the wire going to the DTRL/blinkers, but I also kew if I cut it I'd be cutting that light off completely and wouldn't have my turn signal.

I took a blind leap of faith and went by your instructions, and thank god the 2010 is wired just like your 09. Cutting the green/red wire did work (wasn't going to add a switch but I said what the hell and did it anyway). I guess it just goes to that relay or something.. Still sort of confusing that it never has electricity going to it though. Either way it works so I'm not complaining.

Thanks again! The truck looks much better now.
Awesome! You're welcome. I understand what you're saying now and that makes sense. The green/red wire carries a signal (probably a ground wire, like river rat said) between the body ECU and the signal flasher. By interrupting the signal we can control when the DTRL are on or not on at all.

Here is what the electrical diagram looked like:



Quote:
Originally Posted by river rat View Post
It worked on my 2011 too.
Maybe the green-red wire id a ground signal. I didn't test it. It works on the new truck and thank you.


Since the turn signal is a separate lamp from brakes, the center brake light on the topper on mine was just run of the driver's side brake lamp filament circuit, and the topper interior light was off the parking light circuit.
You're welcome! Good to know that the 2011's are still the same. Thanks.
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Old 12-22-2010, 07:57 PM   #40
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Quote:
Originally Posted by Cryer View Post
so if i just cut the wire, will it kill me front blinkers? or just dtrl?
Quote:
Originally Posted by Crom View Post
Glad you like it.



Your blinkers will work fine if you cut it. It ONLY affect DTRL, It does not interfere with any other system.
Quote:
Originally Posted by Chad View Post
So in essence you could cut it and it'll never come back on right? The switch only gives you the ability to turn it on and off correct?
Quote:
Originally Posted by Crom View Post
Yes. If you go that route make sure you tape the end coming from the 1M connector to avoid any short circuit conditions.

Awesome Questions, awesome answers thanks!!!

I'll be doing this mod tomorrow not sure if I'm going to run a switch or not, I dont think I will EVER use them. If I want lights I'll just turn on the low beams....

However since I will already be there I might switch it up.

Just wanted to say thanks for a great write up!
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