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How to: Wire a Stock Auto-Dimming Mirror

Discussion in '2nd Gen. Tacomas (2005-2015)' started by jefferson, May 27, 2010.

  1. Sep 1, 2010 at 2:46 PM
    #21
    jefferson

    jefferson [OP] needs to stop cruising Buy/Sell/Trade....

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    toyota brand hitch and uhaul wiring harness, fog lamps on anytime, bed lamps, map lights on with dome, day time running lamps, remove secondary air filter, painted bumper grill, Double Din touch screen stereo, Sockmonkey custom SR5 decal, door & seatbelt bells disabled, painted engine cover, installed compass/temperature overhead console, failed mod: passenger side auto down window switches, weathertech front mats, RedLine hood struts, Cheap Beep piezo buzzer locking beep, 5100s in the front set at 2.5, 5100s in the rear, AAL, hitch safe, revenge fab sliders, bed bar, prerunner light, cb wired
    haha awesome! Post pics and model numbers when/if you find it
     
  2. Sep 1, 2010 at 2:59 PM
    #22
    Pster

    Pster Well-Known Member

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    In fact, the Toyota auto dimming inside rearview mirror is made by Gentex and sold through Mito Corp. Model #50-GENK2A. :) ($65-80 new)
     
  3. Sep 1, 2010 at 3:13 PM
    #23
    jefferson

    jefferson [OP] needs to stop cruising Buy/Sell/Trade....

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    awesome. I put that info into post #1 and quoted you as source. Thanks
     
  4. Jan 11, 2011 at 12:33 PM
    #24
    MJonaGS32

    MJonaGS32 MJ on a GS

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    This DIY was written with a lot of character. haha good job.
     
  5. Jan 11, 2011 at 4:15 PM
    #25
    Average JOE

    Average JOE Well-Known Member

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    Hey,

    I found a Gentx Mirror at the junk yard for $8.00. It came with the pin connector but my problem is it has three wires. One plain black, one black with a purple stripe, and one black with a white stripe.

    Per your diagram the black with white stripe is where the + goes and the the black with purple goes where the - goes. What is the third wire for?
     
  6. Aug 26, 2011 at 7:38 PM
    #26
    jpaw30

    jpaw30 Well-Known Member

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    Would like to know if anyone found out anything about the oem wire plug or the trim piece that hides the wires?
     
  7. Aug 26, 2011 at 10:38 PM
    #27
    jefferson

    jefferson [OP] needs to stop cruising Buy/Sell/Trade....

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    toyota brand hitch and uhaul wiring harness, fog lamps on anytime, bed lamps, map lights on with dome, day time running lamps, remove secondary air filter, painted bumper grill, Double Din touch screen stereo, Sockmonkey custom SR5 decal, door & seatbelt bells disabled, painted engine cover, installed compass/temperature overhead console, failed mod: passenger side auto down window switches, weathertech front mats, RedLine hood struts, Cheap Beep piezo buzzer locking beep, 5100s in the front set at 2.5, 5100s in the rear, AAL, hitch safe, revenge fab sliders, bed bar, prerunner light, cb wired
    Thanks :)

    That mirror might have an option for video, or something similar. Obviously just follow my directions and i'm sure it'll work fine - but.. that little wire... yah dont worry about that little wire

    Yes, there is an OEM trim piece that clicks in place. a member here gave me one, actually. It is available from the dealer or if you're lucky, e-bay.
     
  8. Nov 16, 2011 at 9:26 AM
    #28
    occupant

    occupant Occupant Ilied Industries

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    I just wanted to pop in here and say that 3 wire mirror, I can almost guarantee the 3rd unknown wire goes to the reverse switch on the transmission, so it can disable the dimming function when you are reversing. You know, in the event you don't just turn around like you probably ought to.
     
  9. Nov 18, 2011 at 6:57 PM
    #29
    JTaco386

    JTaco386 Well-Known Member

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    I finally installed my auto dim mirror and everything was perfect! Thanks! What did you use to conceal the wires? Any help would be greatly appreciated.
     
  10. Dec 11, 2011 at 2:43 PM
    #30
    GregLee98

    GregLee98 Well-Known Member

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  11. Dec 11, 2011 at 7:10 PM
    #31
    JTaco386

    JTaco386 Well-Known Member

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  12. Dec 12, 2011 at 4:30 AM
    #32
    GregLee98

    GregLee98 Well-Known Member

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    I will after I complete it. Its shipped but not in hand yet.
     
  13. Dec 12, 2011 at 4:50 AM
    #33
    JTaco386

    JTaco386 Well-Known Member

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    Thanks!!
     
  14. Dec 15, 2011 at 7:14 PM
    #34
    GregLee98

    GregLee98 Well-Known Member

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    See my earlier post with the kit I installed. Kit came with a cover (the hyperlink), mirror, harness, new mount for windshield (did not use), zip ties, and cable jumpers (used an easier set since I cut the wires off).
    Picture 1 is of the kit complete off ebay for about $72 with shipping.
    2 - Back of mirror
    3 - I wrapped the power cable around the stem because when I didn't do it, it stretched the cable and did not have much room to adjust the mirror if too taught. this way enabled the wire to be tight but still move with the mirror. I also routed the cable up through the mounting bracket since there was room and out the top for a cleaner look under the bracket and cover.
    4 - Screw hole in sunglasses holder to remove and take down the overhead console.
    5 - Temp/Compass gauge harness
    6 and 7 - Connected my power sources. Thanks to jefferson for the wiring. All worked great!
    8 - Mirror with wire leading up under the headliner.
    9 - Checked the power before putting the overhead console back up - power light is green (shown because my mirror is a tad different than jefferson's)
    10 - Notch in the headliner for the cover
    11 - Wire wrapped and under mount, leads out top. Had to push to the side and twist it flat to get clips of the cover into the mount.
    12 - Back side of the cover. We need the small cover (Under 4 1/2 inches) because the mirror is 4 inches from the headliner. The clips on the left go into the mount and the right side into the groove in the headliner.
    13 - Wire running through mount and up into cover
    14 - Another look
    15 - Complete cover mounted
    16 - View of cover from mirror into headliner. It is held in by the clips, but not tightly. It shouldn't move since I wrapped the cable around the mount. If I adjust the mirror, it takes slack from below the mount, not from the headliner.
    17 - Complete! Thanks jefferson!

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  15. Dec 15, 2011 at 7:16 PM
    #35
    GregLee98

    GregLee98 Well-Known Member

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  16. May 11, 2014 at 11:50 AM
    #36
    RevoTaco

    RevoTaco Well-Known Member

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    Anyone know which Gentex mirror kit is the one that's dimmer WITH homelink (but no compass/temp, since I already have that in the center console), for an 08 Taco?

    From my research I found 50-GENK40A looks like it's the one, but can anyone confirm before I spend a couple hundred on a mirror?

    Thanks!
     
  17. May 16, 2014 at 6:47 AM
    #37
    Ernesto4

    Ernesto4 Well-Known Member

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    what about if your mirror comes with the compass/temp display?
     
  18. May 7, 2020 at 1:47 PM
    #38
    WordsxMod

    WordsxMod New Member

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    I'm a noob at Tacoma World.... but i did just complete this mod, for the auto darkened rear view.... why in the hell didn't Toyota have this installed from factory.... and if my mirror only auto darkens why is there 3 more prongs on the back of the mirror..... something i may never know..... appreciate your write up 100%!
     
    Canyon lands likes this.
  19. May 8, 2020 at 5:50 AM
    #39
    EdgemanVA

    EdgemanVA Well-Known Member

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    I have that feature on my 2008 TSX, and frankly I prefer a "flip switch." But I do wish we had the Homelink system...
     

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