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DIY: Amber DRLs/Signals Mod

Discussion in '3rd Gen. Tacomas (2016+)' started by xola3que, Jul 19, 2017.

  1. Jul 19, 2017 at 11:46 AM
    #1
    xola3que

    xola3que [OP] Well-Known Member

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    A few TW members contacted me and requested a write up for the Amber DRL/Signal Mod like it came with the 2nd Gen. So here it is:

    Explaination of Mod: Use the signal light locations in the headlights as always-on DRLs. When the signal stalk is triggered, DRL will be deactivated and signal will override. Once the signal stalk returns to neutral, DRL will be ON again.

    Briefing: Use an ignition power source to run the daytime running lights. Signals and Emergency will trigger the 5 pin relay for blinking.

    Alternative 1: You can use the aftermarket switch back module for this mod but it costs a bit. From what I heard you can also use Toyota OEM module came with the second gen for this mod.

    Alternative 2: You can use the "always-closed" 3 pins relay but those are harder to find and more expensive.


    A: Accessories:

    1. Optional: (1) pair of 7440 amber LEDs. This one works pretty good.
    http://www.ebay.com/itm/JDM-ASTAR-7440NA-Super-Amber-Yellow-LED-Turn-Signal-Blinker-Parking-Lights-Bulbs/331909043630?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

    2. Required: (1) pair of load resistors to prevent hyper flashing.
    http://www.ebay.com/itm/JDM-ASTAR-2x-7440-T20-LED-Decoder-Warning-Canceller-Error-Free-Anti-Hyper-Flash/331419649536?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

    3. Required: (1) pair of 5 pins relay, this is what I used:
    http://www.ebay.com/itm/QTY1-CAR-RELAY-1-5-PIN-SOCKET-12V-VOLT-DC-40A-WEATHERPROOF-WATERPROOF-SPDT/272543681722?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649

    4. Various wire extensions. I have few leftover sets wire harnesses from an HID installation so I cut it up and use the fuse that came with it. You don't have to go spend money on this but if you have to, I recommend a set of quality relay harness from Xenondepot or Morimoto. Don't cheap out with those ebay junks.

    B: Tools:
    1. wire striper
    2. solder gun
    3. Electrical tape
    4. a pair of wire sniper, pliers.
    5. Philip screwdriver
    6. 10mm socket
    7. zip ties.

    C: Installation:

    Follow the circuit diagram below for wiring. Zip tie all loose wires securely. Make sure you have good ground contacts.

    upload_2017-7-19_14-30-48.jpg

    upload_2017-7-19_14-38-9.jpg

    The result:

    upload_2017-7-19_14-45-21.jpg

    upload_2017-7-19_14-46-24.jpg
     
    Last edited: Jul 20, 2017
  2. Jul 19, 2017 at 12:40 PM
    #2
    MacMedic

    MacMedic Well-Known Member

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    Nice Job...
     
    xola3que [OP] likes this.
  3. Jul 19, 2017 at 12:55 PM
    #3
    MESO

    MESO Major Modder Vendor

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    AMBER DRL FTW. Nice job OP.
     
    KTJO 4x4 and xola3que [OP] like this.
  4. Jul 19, 2017 at 2:24 PM
    #4
    Joe23

    Joe23 Canuckistikian

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    cool idea...but here amber DRL are illegal and front signals have to be amber.
    Although its not usually enforced as I see plenty with white signals but still.
     
  5. Jul 19, 2017 at 2:33 PM
    #5
    ratcityrain

    ratcityrain Well-Known Member

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    OEM Running boards |oemassive headlights | winjet tail lights | led lighting | hid headlight & fogs | oem tri-fold Bed cover | Custom dual JL Audio 10tw3-d4 sub box and custom amp rack | black off road wheels | painted oem grille | jbl door speakers |
    I think I am going to do this, but I think I am going to do white rather than amber to match the oem drl's.

    Will this work with a switch back so the drl's are white and then the signal is amber?
     
    Tacoma6MT and xola3que [OP] like this.
  6. Jul 19, 2017 at 3:26 PM
    #6
    bgoods

    bgoods Active Member

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    Nice mod, I like the look
     
  7. Jul 19, 2017 at 3:44 PM
    #7
    xola3que

    xola3que [OP] Well-Known Member

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    I guess the first challenge is to find somebody making those dual LEDs in 7440 or 7443. I'm sure it out there
     
    GreyBaldTaco likes this.
  8. Jul 19, 2017 at 3:45 PM
    #8
    Optimaltaco

    Optimaltaco Well-Known Member

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    Amber DRL's are not illegal, in Canada the DRL systems can be White, Amber or Yellow.
    IMG_2463.jpg
     
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  9. Jul 19, 2017 at 3:46 PM
    #9
    ratcityrain

    ratcityrain Well-Known Member

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    A quick google search shows some are available in the $45 range so not too bad. I think the Vled switch back does all the same you are doing, but making the cost 400% more lol
     
  10. Jul 19, 2017 at 6:10 PM
    #10
    Joe23

    Joe23 Canuckistikian

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    hmm interesting. I know a few years back going to the track for a track day MTO would set up ride checks and one of my friends got a ticket for having amber DRLs.
    Guess it was just a bullshit ticket then.
     
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  11. Jul 20, 2017 at 5:58 AM
    #11
    Optimaltaco

    Optimaltaco Well-Known Member

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    Yea further down on there it does talk about DRL's being allowed with the use of a signal light as well. The section on DRL is couple pages long.
     
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  12. Jul 21, 2017 at 11:03 AM
    #12
    EETaco2004

    EETaco2004 New Member

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    In order to get the DRL signal for 87a pin on the relay, did you have to cut and resolder/crimp the turn signals onto 87a pin?

    I'm attempting to start on this amazing mod and trying to see if there is an alternative to cutting any wires. Going for the clean look under the hood.

    So far I plan on using an add a circuit on the hazard light fuse in the cabin to set off the switch in the relay for pin 86. For the constant ignition source pin 30 I plan on doing the same add a circuit with the DRL fuse. So the LED DRL will always be on with the new amber DRL.
     
    Bastek likes this.
  13. Jul 21, 2017 at 11:24 AM
    #13
    xola3que

    xola3que [OP] Well-Known Member

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    I knew somebody actually read the write-up :thumbsup:. BTW congrats on your first post.

    The load resistor set you get off of the link came with the 7440/7443 sockets and butts. Splice these off and use them instead of cutting into your factory wires. The socket goes into the lamp, the butt mates up with the factory harness with the resistors intact.
     
    Last edited: Jul 22, 2017
    Bastek and EETaco2004 like this.
  14. Jul 21, 2017 at 11:36 PM
    #14
    browndirtcowboy

    browndirtcowboy Well-Known Member

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    My amber driving lights :)2017052795131619.jpg
     
  15. May 26, 2018 at 10:37 PM
    #15
    JAMES399

    JAMES399 EL CAPO

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    ADAM -

    You need to check that schematic again. If the drawing shows the turn signal relays in the "OFF" position, Then no voltage is applied to the LEDs when they are turned on. When the DRL relay is operated, nothing will happen either.

    - JAMES
     
  16. May 26, 2018 at 10:38 PM
    #16
    Aluttropp

    Aluttropp Member

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    I was just seeing that.... Let me re-post it again.
     
  17. May 26, 2018 at 11:27 PM
    #17
    xola3que

    xola3que [OP] Well-Known Member

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    Electrical nerd...We've got an electrical nerd here!!! :D
     
  18. May 26, 2018 at 11:29 PM
    #18
    xola3que

    xola3que [OP] Well-Known Member

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    I can update the front page (with credit given) so people doesn't have to dig all the way back here to find it.
     
  19. May 27, 2018 at 12:32 AM
    #19
    Aluttropp

    Aluttropp Member

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    Not yet! My schematic skills are terrible. I have to redo it....
     
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  20. May 27, 2018 at 7:50 PM
    #20
    JAMES399

    JAMES399 EL CAPO

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    And your point is ... ??? Everything on today's trucks is computer controlled. A knowledge of electronics is essential to being able to maintain a vehicle today, and to be able to modify the electronics to make it better. I'm an electrical "nerd" and proud of it. And ... I'm certain I know more about my truck than you ever dreamed of.

    - JAMES
     
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