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Will the real daytime running light bulb number please stand up?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by NiceGuyEddie, Nov 23, 2020.

  1. Nov 23, 2020 at 3:21 PM
    #1
    NiceGuyEddie

    NiceGuyEddie [OP] Well-Known Member

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    Chino, SoCal
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    https://www.autozone.com/electrical...vania-led-mini-bulb-4157asylled/14029_0_37365

    https://www.autozone.com/electrical...+bulb&fromString=search&isIgnoreVehicle=false

    I'm not too familiar with this stuff - seems the bulb "number" is 4157 but there are still a few styles. The Dealership sold original equipment incandescent bulbs only so they could not give me an LED replacement that would definitely work.

    Hoping if someone could tell me if either of the two above would work, PLUS will either further burn my headlight casings?

    If not, what is the recommendation? I see some have replaced the DRLs with white and I'm open to that.
     
  2. Nov 23, 2020 at 3:24 PM
    #2
    gotoman1969

    gotoman1969 Well-Known Member

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    San Antonio, TX United States
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    What year is your truck? And does it have led tail lights?
     
  3. Nov 23, 2020 at 3:30 PM
    #3
    gotoman1969

    gotoman1969 Well-Known Member

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    It’s the 4157A. Sylvania makes two of them either will work. You will get a hyper blinker flash unless you has a resistor to the circuit.
     
  4. Nov 23, 2020 at 3:45 PM
    #4
    NiceGuyEddie

    NiceGuyEddie [OP] Well-Known Member

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    Aw man: 2010 Long Bed Sport 4x4.

    The tail lights are either LED or "LED Look." I've never had them apart so I always wondered what's inside them. The brake light and running light are the kind that look like a sunburst - light in the middle and a ring of dots. Are they really LED or just a bulb and a fancy lens?

    The tops of the tail lights are amber incandescent and you can see them through the clear lens.
     
  5. Nov 24, 2020 at 2:16 PM
    #5
    NiceGuyEddie

    NiceGuyEddie [OP] Well-Known Member

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  6. Nov 24, 2020 at 3:32 PM
    #6
    muddog321

    muddog321 Well-Known Member

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    09 tacoma doublecab 4wd trd w/e locker Pyrite mica color
    TW 1-piece driveshaft All Pro and Budbuilt skid plates OME Dakar rear springs 3" with 5100 5100 front set at 2" stock springs Falken Wildpeak A/T3W 265/70R16 Powerstop rotors and z36 pads Rebuilt rear and all wheel bearings front /rear Denso 130A rebuilt alternator New OEM idlers and tensioner assembly New AC compressor New PS hose and flushed Rhino front guard ARE shell
    As Gotoman said if you use LEDs you have to add a resistor to each side to stop the hyper flash. 3157A same as 4157A (amber is the A part).
    Al lot of the new headlights have more clearance bulb to housing so should not melt them. Toyota had a TSB but never told anyone as usual so we all missed the free replacement headlights. Most of the aftermarkets leak even after sealing so OEM is best and costly. I have Depo ones and they leaked but I drilled drain hole sin the bottoms. Still a pain but cheap. Yes rear running lamps are LED but stops are 3157A as fronts. Lots of posts on options for you.
     

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