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12-pin DTRL LED Flasher Modification (2012 Tacoma)

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Sammy1Am, Oct 15, 2012.

  1. Mar 1, 2013 at 1:27 PM
    #21
    VE7OSR

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    Armour: All-Pro Skid plates - IFS, transmission, and transfer case. Pelfreybilt rear standard plate bumper, Metal Tech Sliders w/ kickout and dimple die filler plates. Front Suspension: OME 885 + NitroCharger 9000 shocks + 1/2" spacers for a 3" lift. Superbumps replacing stock bumpstops. Camburg ball joint UCA SS braid brake lines Future: ADS Extended length, extended length UCA BJ to increase droop capability Rear Suspension: All-Pro Expedition rear leafs, Walker Evans 27" rear shocks, extended rear brake lines (Wheelers Offroad), U -bolt flip kit, rear Timbren bumpstops. Future: Hammer Hangers, Shock relocate, ADS 12" or 14" shock. Interior: Weatherteck floor liners - front, Wet Okoles- front, ScanGauge, LED interior & map lights. Power moonroof. Exterior: Raider Cobra canopy, retrofit headlight by Insight, LED bulbs all around, modified flasher unit for LEDs. Rear diff breather mod. Front diff vibe problem, driver's side needle bearing replaced with ECGS bushing. yet to install: HID Blazer Fog Retrofit, LED Flood & Spot, + switches, fuse panel. swaybar relocate blocks (build my own)
    ah yes, okay. I agree, for myself I think it is pointless to add resistors with the LEDs 5 watts for the LED light, and waste 20Watts through a resistor creating plastic melting heat. One of the reasons I did this mod, is sometimes in search & rescue callouts, we are parked along a road for extended periods of time. Leaving the hazards flashing for the vehicles at the end of the line of parked cars, along with proper marking with cones is required. LED lighting at 1/4 of the power draw means I can leave the lights flashing longer, and not worry about the battery.
     
    GilbertOz likes this.
  2. Mar 1, 2013 at 1:43 PM
    #22
    Rich91710

    Rich91710 Well-Known Member

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    Ya... The load resistors generally negate any advantage of switching to LED because you aren't saving any power.
    Some applications, there may be no option, such as housings that don't accept standard lamps, or, in the case of the Tacoma, the DRL overheats and burns the lens.

    I bought the DRL kit and have been wanting to install it, but have been worried about the DRL melting the lenses, and didn't want to run the load resistors.
     
  3. Mar 1, 2013 at 4:06 PM
    #23
    VE7OSR

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    the other challenge is finding LEDs that fit in the limited length, yet are still bright enough.
     
  4. Mar 1, 2013 at 7:14 PM
    #24
    Rich91710

    Rich91710 Well-Known Member

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  5. Mar 1, 2013 at 11:27 PM
    #25
    VE7OSR

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    Yes, CK type for the front, regular type in the back. The 903 model should fit nicely lengthwise in the front. I recall 53mm being the max. Measuring the stock bulb length will confirm the safe length; I think you can go about 2-3mm longer than stock bulb, but that's about it.
     
  6. Mar 1, 2013 at 11:45 PM
    #26
    Rich91710

    Rich91710 Well-Known Member

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    Length on the 903 and 802 are the same and the 802 fit just fine, so no reason the 903 shouldn't fit unless it's too large in diameter.
     
  7. Mar 2, 2013 at 12:35 AM
    #27
    VE7OSR

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    looks like from the specs, the 45 LED tower provides more light output in the amber color. I do like the color 'intensity' of LEDs compared to incandescent.
     
  8. Mar 2, 2013 at 1:30 AM
    #28
    650H1

    650H1 Well-Known Member

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    why doesnt anyone just make a fucking 12-pin flasher we can use? thats frustrating.
     
  9. Mar 2, 2013 at 8:10 AM
    #29
    VE7OSR

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    Let me know how I can help.
    - If you know where you're getting your LED bulbs from, which model, and if you are replacing both the front and back, or just the front, I can work out what the resistor value should be, and let you know what part#s for the resistors to order on-line and from where.
    - or send me the above info, a DRL flasher, and I can do the mod and send it back.
    Note: once you switch the internal shunt resistor to work with LEDs it will no longer work with regular bulbs.
     
  10. Mar 2, 2013 at 7:10 PM
    #30
    Rich91710

    Rich91710 Well-Known Member

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    They used to.

    Superbright and a couple of the other LED vendors used to offer the solid state 12-pin.
     
  11. Mar 3, 2013 at 7:33 AM
    #31
    three west

    three west Well-Known Member

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    I've been looking for years, I've never seen one.
    I eventually just pulled the dtrl harness and used an 8 pin flasher.
     
  12. May 25, 2014 at 2:49 AM
    #32
    Ramano

    Ramano New Member

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    I know this thread is a bit old but just wanted to thank the OP Sammy1AM and everyone else in this thread and I also wanted to show my version using this mod. In the place of the hoops, I found that you can just buy some 0.47 ohm wirewound resistors and solder them in parallel to get 0.235 ohms. The are a bit overkill at 5W power rating and a bit more expensive but they stack nicely and work perfectly. And you can buy them at your nearest Radio Shack store so it is very convenient. You'll need to get four of them total.
    Front_99acab2efd13f939c75fe72e1acc7f7d04039e79.jpg
    Rear_535d8ce33188632fd4b8a4062880854517074e38.jpg
    Side_6a5c7642b7392ca8724afef5378e4b5bb15a742c.jpg
    InHousing_5f5f9860283dd4090705d29b48539dec027e6ffa.jpg
     
  13. May 26, 2014 at 1:12 AM
    #33
    VE7OSR

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    nicely done Ray!
     
  14. May 31, 2014 at 11:31 PM
    #34
    Rich91710

    Rich91710 Well-Known Member

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    Maybe in Hawaii... here on the mainland, they are closing their doors right and left, and you haven't been able to get four of the same value of any resistor at a single Radio Shack in years since their stock is so effed up.

    But that is an awesome job and looks clean.
     
  15. May 31, 2014 at 11:58 PM
    #35
    kasnerd

    kasnerd candied bacon

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    Mods? Yes, oh yes..
    This whole DTRL/resistor thing is driving me insane. WHY NO OEM/AFTERMARKET LED switchback? Toyota, you disappoint! Unless of course there is a transplant-able flashback from another Toyota/Lexus that does have LED turn signals, since that is all the rage now with the cool kids.

    What a mess! Anyways, here's an idea I had sitting at a light, staring at the car's turn sign in front of me:

    Since the rear tail lights are on the same circuit as the front turn signals (when activated), wouldn't it just be easier to put the resistor on the tail light, that way when the DTRLs are on...no constantly fed resistor, then when the turn signal comes on, the resistor is in play (granted you still need to heed the heat issue whilst sitting at a light or accidentally leaving it on. Not that ANY of us have done this *cough* Just saying..."hypothetical", ya know? Mount that sucker to the frame? Hell, even a cheap computer CPU heat sink would work. 2 cents, change is available.
     
    Last edited: May 31, 2014
  16. Jun 5, 2014 at 2:15 AM
    #36
    Ramano

    Ramano New Member

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    Thanks for compliments everyone. Hope it will help someone.

    Sorry to hear a lot of Radio Shacks closing up on the mainland. I know the component section is getting smaller and smaller all the time. It would be a sad day when someday we are forced to order a resistor or capacitor online.
     
  17. Jun 5, 2014 at 10:27 AM
    #37
    OCNutty

    OCNutty Well-Known Member

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    Yeah; the Shack is headed out of business; their b/m stores cannot compete, except in the niche market for parts and that's nowhere near enough. The'll be gone by the end of next year.
     
  18. Jun 5, 2014 at 9:08 PM
    #38
    Rich91710

    Rich91710 Well-Known Member

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    That's been the case here for quite some time. It was probably 10 years ago that the massive walls of components were relegated to a single 4ft x 4ft stack of drawers... and of course, target inventory levels were 2 of everything, but because of modern retail employees not being able to read, you'd have 15 120ohm resistors stuffed into the 150ohm box and no 150's.

    Man... when I worked at The Shack in the late 80s (I worked the transition from "brown" to "gray/red" store models) we didn't even have a cash register.
    We had a calculator and a receipt pad.
    Write the part number. Write the description. Write the price. Multiply to extend the price. Add the items to total. Multiply to get your sales tax (this was a pain when you went to a store in a different city or county to help out and the tax rate was different.) Add the tax. Take the money and make change. We always laughed at employees who used the calculator to make change and we then taught them how to properly count change back to a customer without doing any math ($19.95 plus tax was $21.30, customer handed you $25, count back two dimes and say "21.40, 21.50," count back two quarters and say "21.75, 22," count back three singles and say "23, 24, 25, thank you very much sir/ma'am"
    There... I just made change and off the top of my head I have no idea how much I gave him. Sure, it adds up to $3.70, but I don't need to know that.
    Their downfall was when they tried to take on Circuit City and Best Buy head-on, and they ended up competing against their own short-lived store, Computer City.
    Radio Shack did well selling Optimus/Minimus/Realistic. When they dropped the OEM agreements, that was the beginning of the end.
    Circuit City couldn't even compete against Best Buy (yes, I know CC was first,) and now Best Buy is struggling with Crutchfield, Sonicelectronix, Multiwave, and Amazon. There's no way a 1,000sqft B&M can dream of competing against that, even with an online outlet (and honestly, I'd rather order from Digikey, RS.com sucked horribly).

    Their durability in Hawaii is likely due to what I assume is the lack of more than one Best Buy on the island chain, and prohibitive shipping costs from the online suppliers.
     
  19. Jun 5, 2014 at 9:16 PM
    #39
    C.Blackfoot

    C.Blackfoot Well-Known Member

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    Does anyone know if this works on the 2013's? Thanks
     
  20. Jun 29, 2014 at 3:34 PM
    #40
    thereverend

    thereverend rev

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    TRD SC, URD 1 size smaller SC drive pulley, Volant CAI w scoop, TacoTunes full kit, MagnaFlow muffler for flow but ran out rear to kill the drone.
    So what do I have here and how/what would I do w it?

    IMG_20140629_172826.jpg
    IMG_20140629_172926.jpg
     

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