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Anyone familiar with 4Runner wiring?

Discussion in 'Off-Topic Discussion' started by Tundra234, Apr 10, 2025.

  1. Apr 10, 2025 at 5:47 PM
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    Tundra234

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    Tundra234 [OP] New Member

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    Anyone familiar with or have access to 4Runner wiring? What i am trying to do is replace the rear view mirror in the 2016 with one from a 2020+. The 2016 has an old school style mirror that you have to manually flip the tab for night dimming. I have no idea why it doesn't have an electric auto dimming mirror. I found one from a 2022 for an excellent price but I'm not sure if the 2016 has a harness or connector above the headliner.
     
    Tundra234, Apr 10, 2025
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  2. Apr 10, 2025 at 6:35 PM
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    ChesterTundra

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    ChesterTundra New Member

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    I haven’t done it, but have you seen this?
     
    ChesterTundra, Apr 10, 2025
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  3. Apr 10, 2025 at 6:42 PM
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    chrisf111

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    chrisf111 New Member

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    I found an auto dimming mirror in a junkyard and installed in my tundra. As long as it is getting power and ground it should work. You can look up the wiring pinout depending on the mirror model.

    I wired mine straight to the fuse box, but in retrospect there may have been some keyed-power in the overhead console I could have tapped.
     
    chrisf111, Apr 10, 2025
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  4. Apr 10, 2025 at 6:43 PM
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    Tundra234

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    Tundra234 [OP] New Member

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    I have not...I'll read through it....thanks. The 4R forums are slower to reply so I figured it wouldn't hurt to ask here since the are plenty of 4R owners here too.
     
    Tundra234, Apr 10, 2025
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  5. Apr 10, 2025 at 6:44 PM
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    PVT Pablo

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    PVT Pablo ☠

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    The 2016 Pro has an auto dimming mirror. Maybe that p/n is compatible?
     
    PVT Pablo, Apr 10, 2025
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  6. Apr 10, 2025 at 6:47 PM
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    Tundra234

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    Tundra234 [OP] New Member

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    I'll look at the part number and see if it shows fitting an SR5.
     
    Tundra234, Apr 10, 2025
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  7. Apr 10, 2025 at 6:50 PM
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    Ponderosa_Pine

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    Ponderosa_Pine ⍋

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    What my 2022 4R harness looks like, it’s a style where the connector is on the windshield and not behind the mirror. Either way that 4runner thread looks good!

    IMG_7082.jpg
     
    Ponderosa_Pine, Apr 10, 2025
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  8. Apr 10, 2025 at 6:50 PM
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    PVT Pablo

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    PVT Pablo ☠

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    For sure, I've got a Pro (only reason I knew about the mirror haha) when I get home I can see if I can find that connector and get a pic.
     
    PVT Pablo, Apr 10, 2025
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  9. Apr 10, 2025 at 6:56 PM
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    Tundra234

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    Tundra234 [OP] New Member

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    This is the mirror that he has from a 2022 SR5.

    IMG_6746.jpg IMG_6748.jpg
     
    Tundra234, Apr 10, 2025
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  10. Apr 10, 2025 at 8:04 PM
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    PVT Pablo

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    PVT Pablo ☠

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    My 2016 dimming mirror has the same two wires. Don't know if that helps.
     
    PVT Pablo, Apr 10, 2025
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  11. Apr 10, 2025 at 8:07 PM
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    junior

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    I added a Gentex auto dimming mirror to my 2001 tacoma that also had the fully manual flip type before. It was pretty simple. All it has was a power and ground that I routed along behind the headliner and down the a-pillar. Then I used a fuse tap into the inside fuse panel. Doesnt really matter which circuit as long as its on while the vehicle is on and off when its off.
    $80 Gentex 50-GENK2AM Auto-Dimming Rear View Mirror by Gentex
    https://www.amazon.com/Gentex-50-GENK2AM-Auto-Dimming-Rear-Mirror/dp/B00PHLM3EI
     
    junior, Apr 10, 2025
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Gentex 50-GENK2AM Auto-Dimming Rear View Mirror by Gentex
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