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Gy6.35 HIR 921 reverse light upgrade (vs high power LEDs)

Discussion in 'Lighting' started by crashnburn80, Feb 11, 2017.

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  1. Aug 29, 2017 at 9:42 PM
    #61
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    crashnburn80, Aug 29, 2017
    #61
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  2. Oct 1, 2017 at 6:42 AM
    #62
    Buckaroo1993

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    Buckaroo1993 Who?? ME??

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    Will these work on a 1st Gen?
     
    Buckaroo1993, Oct 1, 2017
    #62
  3. Oct 1, 2017 at 8:47 AM
    #63
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    I believe the 2001+ first gen use the 921 bulb type meaning they are compatible. Double check your truck takes a 921 reverse bulb. 2000 and earlier will not work.
     
    crashnburn80, Oct 1, 2017
    #63
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  4. Oct 17, 2017 at 6:31 PM
    #64
    Strummer

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    Strummer Well-Known Member

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    I tried this with some cheap bulbs from Lowes . Couldn’t get the bulbs to stay in . Not sure why .
     
    Strummer, Oct 17, 2017
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  5. Oct 17, 2017 at 6:50 PM
    #65
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    It is a bit of pain, you need to pry the bulb prongs wider than the socket so the tension holds them in. I pried mine wide enough it was challenging to fit the prongs in at a 45 degree angle, corner to corner. It won’t lock in like a 921 bulb.
     
    crashnburn80, Oct 17, 2017
    #65
  6. Oct 25, 2017 at 7:45 PM
    #66
    Ishikawa

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    Ishikawa New Member

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    Crash - could you take pics of the bulb mods you made...as a guide for others? Seriously appreciate all of your thought / sharing on this topic.
     
    Ishikawa, Oct 25, 2017
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  7. Oct 25, 2017 at 8:18 PM
    #67
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    Welcome to the forum!

    Mods as in spread of the prongs? I’m not sure exactly what you are looking for.
     
    crashnburn80, Oct 25, 2017
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  8. Oct 26, 2017 at 7:34 AM
    #68
    Ishikawa

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    Ishikawa New Member

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    Thank you, Crash. Yes, the actual spread of the prongs. Perhaps a comparison pic of "new" vs. "spread"...so that others can see how far they need to take it to make the modification work / stay in the socket. That may be too big of a pain...just a thought to help those considering this as an upgrade.
     
    Ishikawa, Oct 26, 2017
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  9. Oct 27, 2017 at 8:06 PM
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    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    Valid request as others have wanted more info on the spread as well. I'll see about adding it this weekend.
     
    crashnburn80, Oct 27, 2017
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  10. Nov 4, 2017 at 11:18 PM
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    kingk0ng

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    kingk0ng Well-Known Member

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    just a few things.
    just use pliers and move the little prong might need to cut it too i think.
     
    kingk0ng, Nov 4, 2017
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  11. Nov 10, 2017 at 5:52 PM
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    Hemmer

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    Hemmer, Nov 10, 2017
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  12. Nov 10, 2017 at 9:26 PM
    #72
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    Welcome to TW!

    Those have the same gy6.35 bulb base, but they are the 35w halogen version, not HIR (halogen inferred).

    35w Halogen output 420 lumens
    30w HIR output 750 lumens

    So yes they would work and put out more light than stock, many people do run those bulbs. But the HIRs put out far more light while using less wattage from the reverse circuit and should run cooler.
     
    crashnburn80, Nov 10, 2017
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  13. Nov 10, 2017 at 9:30 PM
    #73
    Hemmer

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    Hemmer Member

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    Thanks very much, I am happy to have found TW! I'm probably buying a 14 Tacoma tomorrow and so I've been reading up on all the different articles, mods, and tutorials throughout the site.

    Rats, I thought I found a good solution on Amazon because it had IR in the name. Tricksy Amazonians....
     
    Hemmer, Nov 10, 2017
    #73
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  14. Nov 10, 2017 at 9:45 PM
    #74
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    Actually I take that back! I think you are on to something!

    All the 35w gy6.35 bulbs I had seen were halogen. Looking up the Sylvania 35BT4Q part number, it specs the output at 800 lumens. Unlike LED manufactures that vastly overstate output, manufactures like Osram/Sylvania actually hold themselves to real standards. 800 lumens is higher than the 750 lumens of the 30w HIRs, the only way that is possible is with HIR technology. You are correct it does have IR in the name.

    The product looks like a legit domestic HIR solution that will slightly outperform even the HIRs I am running at a slightly higher wattage.
     
    Last edited: Nov 11, 2017
    crashnburn80, Nov 10, 2017
    #74
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  15. Nov 10, 2017 at 9:49 PM
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    cali04intx

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    cali04intx Hung like Einstein, smart as a horse

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    Check out @Hemmer, with his 2nd TW post! Badassery, Brahda!
     
    cali04intx, Nov 10, 2017
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  16. Nov 10, 2017 at 9:50 PM
    #76
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    He actually had it on his first. Pretty impressive.
     
    crashnburn80, Nov 10, 2017
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  17. Nov 11, 2017 at 1:22 AM
    #77
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    Thread has been updated with references to the new king of high output reverse light bulbs, Osram gy6.35 35w 800 lumen HIR, finally available domestically.

    Credit goes to @Hemmer for finding the updated HIR.

    Order placed. Will have results next weekend.
     
    Last edited: Nov 11, 2017
    crashnburn80, Nov 11, 2017
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  18. Nov 11, 2017 at 9:55 AM
    #78
    Hemmer

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    Well in all fairness I've probably spent a handful of hours reading brilliant write-ups on multiple topics on here so prior to that I was clueless! Thanks guys. Just bought my first Tacoma today, will be picking it up on Monday. Beautiful black '14 dcsb, pics will be afoot as soon as I can take some!
     
    Hemmer, Nov 11, 2017
    #78
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  19. Nov 15, 2017 at 8:35 AM
    #79
    Steevoreeno

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    Steevoreeno Well-Known Member

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    I just ordered two of the Osram HIR bulbs linked above. I’ll update once they arrive and I try them out.
     
    Steevoreeno, Nov 15, 2017
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  20. Nov 15, 2017 at 8:43 AM
    #80
    crashnburn80

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    crashnburn80 [OP] Vehicle Design Engineer

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    Nice! Mine arrive Friday.
     
    crashnburn80, Nov 15, 2017
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