[DIY] : Switchback LED's (Front Turn Signals)
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Thread: Switchback LED's (Front Turn Signals)

  1. #1
    OptimaForums Veteran Jhall520's Avatar
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    Switchback LED's (Front Turn Signals)

    Before I begin I want to state that I didn't take many pics while disassembling my car. I do apologize but I will use pics that I have taken to illustrate some of the steps within the DIY. Also my approach was to use T-taps although it looks a lot better if soldered, I didn't have a soldering iron in my possession.


    Things That You Will Need:

    1. 1157 Switchback LED's from IJDMTOY or VLEDs. Ones that I purchased are here: https://store.ijdmtoy.com/ProductDet...ED_1157_SKU_3E
    2. 6 Ohm 50W Resistors (2 resistors needed). Purchased here: 6 OHM 50W 2 BULB LOAD EQUALIZER RESISTORS LED TURN SIGNAL BLINKER FIX | 1 PAIR
    3. T-taps or a soldering iron (4 T-taps if this method is taken)
    4. Pliers
    5. Wire strippers

    The Project:

    1. Disconnect the Negative battery terminal by using a socket wrench. (10mm)
    2. Remove the factory intake by using a socket wrench. (10mm)
    3. Disconnect the power from the headlamp by removing the headlamp connector.
    4. Locate the turn signal bulb housings (looks like white fish tails) and remove them.
    Switchback LED's (Front Turn Signals)-dscn2303.jpg
    5. Replace the stock bulbs with the LED's that you purchased and reinstall.
    6. I started with the passengers side first.
    Switchback LED's (Front Turn Signals)-dscn2306.jpg
    7. Once you have that housing removed from the passengers side headlamp connector, pull the protective wrap around the wires back about 1.5". (Give yourself enough room to place the T-tap in between the wires.)
    8. I Didn't memorize the colors of the wires behind the connector. Make sure your connector looks identical to the position as the picture is taken and Pin #1 & Pin #8 will be easily identifiable. At this point your side repeater on the passengers side mirror will hyper-blink. (The side repeater and our turn signals are wired in series, so they will both hyper-blink at the same time if a resistor is not present.) If you wish to test the resistor to make sure everything will work correctly feel free to reconnect the Negative battery terminal; using your wire strippers, remove 3/4" of the rubber shielding on each end of the resistor and place one end into Pin #1 and the other end into Pin #8, (polarity DOES NOT play a factor while doing this.) You should right away see the side repeater blink at a normal rate.
    Switchback LED's (Front Turn Signals)-dscn2305.jpg
    9. Once you have all T-taps in place use your pliers to crimp the wires together. A crimp tool is too narrow to use on T-taps IMO.
    10. Test the passenger side turn signal and no hyper-blink should be present if the wires are crimped down properly. 11. Repeat for the drivers side. Again make sure that the headlamp connector is facing the same was as shown in the picture and you will know where Pin #1 and Pin #8 are. Good Luck.


    Here's a pic of the mounting location:
    Switchback LED's (Front Turn Signals)-resistor-location.jpg
    Last edited by Jhall520; 03-19-2014 at 05:42 PM.
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  3. #2
    Administrator guardiannite's Avatar
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    nice work, add this to my list of mods to do down the road
    Last edited by guardiannite; 03-25-2012 at 12:52 AM.

  4. #3
    Apprentice BoNsWa's Avatar
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    You just sold me on this one with that video.

    Great work!

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  6. #4
    OptimaForums Veteran Jhall520's Avatar
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    Thanks guys.
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  7. #5
    12/2012 ROTM 2012_black_sx's Avatar
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    Great write up! Can you post a picture of your resistor locations?

  8. #6
    LED MASTER
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    Nice job!

  9. #7
    Learner's Permit aznboi128's Avatar
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    very nice, just a fyi for those of you that want type-2 leds from vleds they do not work.

    (type 2 is the one that turns the white off when amber is blinking)

    i got this couple weeks ago and still havent got it to work the white doesnt turn on :'(
    2012 Pearl White Optima sx Turbo

  10. #8
    OptimaForums Veteran juanye86's Avatar
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    Hall good sh!t fam....that vid def sold me on this

  11. #9
    Your K5 Optima Vendor K5 Optima Store's Avatar
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    Awesome write up, I need to post my video up as well.
    ​​





  12. #10
    OptimaForums Veteran Jhall520's Avatar
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    Quote Originally Posted by 2012_black_sx View Post
    Great write up! Can you post a picture of your resistor locations?
    The resistor locations are one Pin #1 and Pin #8 on both sides as stated in step 8.
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