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Alpha Rex headlights

Discussion in '2.5 Gen Tundras (2014-2021)' started by Part_time, Aug 25, 2021.

  1. Aug 25, 2021 at 5:58 PM
    #1
    Part_time

    Part_time [OP] New Member

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    Anyone know where I could get a good manual for installing Alpha Rex headlights? Most videos cut out the important wiring up. Just remove the grill remove headlights and whalla look how great they look .

    Any info would help.
     
  2. Aug 25, 2021 at 6:03 PM
    #2
    TucsonTundra1794

    TucsonTundra1794 ASCM #6-11 I'll buy if you're willing to ship

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    Post some pics of the wires. Maybe we can help.
     
  3. Aug 25, 2021 at 6:05 PM
    #3
    Shanet421

    Shanet421 (Semi) New Member

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  4. Aug 25, 2021 at 6:13 PM
    #4
    Part_time

    Part_time [OP] New Member

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    I got one harness I would assume that it would go for driver and passenger. No mention in the video.
     
  5. Aug 25, 2021 at 6:25 PM
    #5
    Shanet421

    Shanet421 (Semi) New Member

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    I wired mine up on the second gen. Can’t imagine the harness is much different on yours. Mine did only have one harness with enough wire to run from battery to both sides of the truck.

    What series did you get? Did you get them from alpha directly?
     
  6. Aug 25, 2021 at 6:41 PM
    #6
    Angry Gunny

    Angry Gunny New Member

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    Yes please
    I think everything just plugged right in, except the fuse that needed to be tapped. Post an imagine someone will surely be able to walk you thru it or send you a link.
     
  7. Aug 26, 2021 at 4:44 AM
    #7
    TRD4x4Liberty

    TRD4x4Liberty TRD’ed

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    Open for suggestions
    These seem to be the go-to lights. What other lights do people go with other than the Alpha Rex? I’m still making my list…
     
  8. Aug 26, 2021 at 5:15 AM
    #8
    Part_time

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    I think that it is the same. I received one harness that looks like it would hook up both lights.
    Problem is The videos I have seen they just show lights hooking up and the fuse. Nothing about the harness. Also most products you can go to manufacture web site and down load a manual. I couldn’t find one which is weird because they seem to sell this as more of a DIY product.
    It may not be that difficult but I want to get it right.

    What advise do you have.
     
  9. Aug 26, 2021 at 5:15 AM
    #9
    Part_time

    Part_time [OP] New Member

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    Morimoto spelled wrong
     
    TRD4x4Liberty likes this.
  10. Aug 26, 2021 at 5:23 AM
    #10
    TucsonTundra1794

    TucsonTundra1794 ASCM #6-11 I'll buy if you're willing to ship

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    Miromoto Xb 2's.

    20210711_165402.jpg
     
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  11. Aug 26, 2021 at 6:22 AM
    #11
    Shanet421

    Shanet421 (Semi) New Member

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    Dive into it. They are relatively simple. If the plug doesn’t fit it’s the wrong hole. If you run into an issue I have a phone number to an Alpharex tech I can share via PM.

    Here is the DRL wire diagram
    https://alpharexusa.com/how-to-wire-the-drl-harness/
     
    WILLINH likes this.
  12. Aug 26, 2021 at 6:30 AM
    #12
    Beer Man

    Beer Man @cement.tundra

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    OEM Pro headlights. @iHacker harness. Plug & play. Less than 20 min install.
     
  13. Aug 26, 2021 at 10:01 AM
    #13
    Part_time

    Part_time [OP] New Member

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    That looks like it would help.
     
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  14. Aug 26, 2021 at 6:08 PM
    #14
    Shima

    Shima New Member

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    I think the wire harness is for the outside DRL lights. The two amber lights (side marker light and blinker light) are reused on the new lights. The factory wire harness is used on the Alpha Rex lights.
     
  15. Aug 27, 2021 at 5:50 AM
    #15
    Part_time

    Part_time [OP] New Member

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    Ok another question for you guys.
    I went with LED turn signals. I bought the resistors. The resistors that came has 2 female connectors attached. I know I can cut them off.
    Both wires are black on mine. I assume that it would not matter which wire I use. Please correct me if needed.

    Question: I am assuming that I use the T splice and go to the turn signal light. With one wire. The other should be a ground? I have been trying to find a good video on this have not yet.






    [​IMG]
     
  16. Aug 27, 2021 at 7:50 AM
    #16
    Shima

    Shima New Member

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    I used Headlight Revolution's video for my install. They have a Tundra led turn signal video install. I believe the resistor install is around minute 17. I used the resistors in the video but I don't think it matters which end you use for the power and ground.

    https://m.youtube.com/watch?v=yo1Xb1Z6u0E
     
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  17. Aug 27, 2021 at 10:32 AM
    #17
    Part_time

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    Thanks for the info
     
  18. Aug 27, 2021 at 8:28 PM
    #18
    5150bronco

    5150bronco New Member

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    Great info! I’m right behind ya! Thanks!

    Keep us updated!
     
  19. Aug 28, 2021 at 10:07 PM
    #19
    Part_time

    Part_time [OP] New Member

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    Good day out at the garage. I appreciate you guys and the input. Videos helped. The install took about 2.5 -3 hours. I stalled the resistors, found a decent place to mount them. Wire loomed everything.

    What I was surprised by was the DRL lights. No where in the description did I read that the DRL lights turn amber. Hooked everything up and they were amber colored. Until you turn the headlights on. When the headlights are on now the DRL is white. Until you use a turn signal then it blinks amber in a sequential pattern.

    Surprised about this and the question is can I keep the DRL s amber even with headligts on, or even keep the DRL white all the time? Until I use turn signals. It seemed to keep white for awhile and I thought it would stay that way but went back.


    IMG-6722.jpg IMG-6723.jpg alpha.jpg a.jpg
     
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  20. Aug 28, 2021 at 10:20 PM
    #20
    Part_time

    Part_time [OP] New Member

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    Ok just started the truck again now the DRL is staying white with lights turned off. I will get in touch with HR lights.IMG-6735.jpg IMG-6736.jpg
     
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  21. Aug 29, 2021 at 6:40 AM
    #21
    Shanet421

    Shanet421 (Semi) New Member

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    Make sure you read the part about the sequential turn signal over again. It looks like you have that plug messed up like I did

    1C210949-F350-4D6E-AC99-D945138BD380.jpg
     
    Last edited: Aug 29, 2021
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  22. Sep 6, 2021 at 6:34 AM
    #22
    Part_time

    Part_time [OP] New Member

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    Done
     
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  23. Sep 6, 2021 at 7:53 AM
    #23
    5150bronco

    5150bronco New Member

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    come on! Lol. Pics? How did it go?

    right on!
     
  24. Sep 6, 2021 at 7:55 AM
    #24
    Shanet421

    Shanet421 (Semi) New Member

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    Please let us know what you had to do to get them done correctly. Most importantly piccccsssss
     
  25. Sep 12, 2021 at 12:43 PM
    #25
    Part_time

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    Ok so what I ended up doing, is taking the harness and plugging it into itself. So my DRL is now white. I lost the ability to have sequential turn signals. So I don't know if I can gain those back. This is how it looked at first.
    IMG-6722.jpg
     
  26. Sep 12, 2021 at 12:50 PM
    #26
    Part_time

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    But when I turned on my lights it went to this.
    But had sequential turn signals. After plugging the harness into itself,now it is like this. IMG-6728.jpg
     
  27. Sep 12, 2021 at 12:55 PM
    #27
    Shanet421

    Shanet421 (Semi) New Member

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    I don’t believe Alpha makes a headlight with amber DRL. If your getting an amber DRL then something is wrong is my understanding.
     
  28. Sep 12, 2021 at 1:04 PM
    #28
    Part_time

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    Now it is like this. Also this is what I used to install the lights. Plus rear tail lights. Also mounted the resistors under the light.FL15.jpg FL4.jpg FL6.jpg FL8.jpg rearlight.jpg rearlight1.jpg

    FL9.jpg
     
  29. Sep 12, 2021 at 1:06 PM
    #29
    Part_time

    Part_time [OP] New Member

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    Yeah I did not expect it myself, but before I rewired when the amber was constantly on until I turned on the headlights it worked. IDK
     
  30. Sep 12, 2021 at 1:07 PM
    #30
    Part_time

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    Anyway they are great at night.
     

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