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Wire Pass-Through Options

Discussion in '3rd Gen. Tacomas (2016+)' started by Hoksamoen, Aug 9, 2020.

  1. Aug 9, 2020 at 7:12 PM
    #1
    Hoksamoen

    Hoksamoen [OP] Well-Known Member

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  2. Aug 9, 2020 at 7:24 PM
    #2
    Shellshock

    Shellshock King Shit of Turd Island

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    There’s places in the firewall and under the cab you can easily pass wires
     
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  3. Aug 9, 2020 at 7:27 PM
    #3
    Hoksamoen

    Hoksamoen [OP] Well-Known Member

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    Thank you, as most installs I've seen cut a seal around the wiring harness. Which I was looking to avoid, if possible.
     
  4. Aug 9, 2020 at 9:00 PM
    #4
    mutely

    mutely Well-Known Member

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    If it’s under the seat, you should use the grommets in the floor. Look at Toyota’s install PDFs for bed lights or tailgate lock for the location. But they are just in front of the B pillar and inline with the seat bracket floor bolts. Very easy to find.
     
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  5. Aug 9, 2020 at 11:18 PM
    #5
    texbaz

    texbaz Well-Known Member

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    Can't wait to see your install, been looking at both the FTM-400XDR and the FTM-300DR
    6 years of tech changes since the FTM-400XDR came out.
    Just curious where are you mounting the antenna?
     
    Last edited: Aug 10, 2020
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  6. Aug 10, 2020 at 8:36 AM
    #6
    vicali

    vicali Chilling at YMH

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    Passing through the firewall at the main harness grommet is easiest and gives the most protection. It comes into the cab behind the brake pedal, then down behind the ECM and through the door sill to below the seat.
    I wouldn't run my coax and power down under the truck just to get through the floor seals..
     
  7. Aug 10, 2020 at 8:48 AM
    #7
    EchoDeltaSierra

    EchoDeltaSierra Well-Known Member

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  8. Aug 13, 2020 at 8:47 PM
    #8
    Hoksamoen

    Hoksamoen [OP] Well-Known Member

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    Purchase Diamon Antenna K412SNMO antenna installation kit. Likely will mount on the right or left side of the hood.

    Purchased Diamond NR770HNMO Antenna and EMP Shield from empshield.com

    I was going to use my FTM3-DR with the Diamond NR770HNMO, but decided to just upgrade the radio for more power.
    The FTM-400XDR is popular, but who knows maybe Yaesu will release an updated model.
     
  9. Aug 13, 2020 at 8:51 PM
    #9
    Puppypunter

    Puppypunter Well-Known Member

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    Hoksamoen [OP] and daveeasa like this.
  10. Aug 13, 2020 at 9:04 PM
    #10
    caribe makaira

    caribe makaira Well-Known Member

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    upload_2020-8-14_0-3-59.jpg
     
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  11. Aug 13, 2020 at 9:35 PM
    #11
    daveeasa

    daveeasa Slowest crimp in the West

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    I'm partial to the passenger side as there are three unused grommets (two sub, one plug) at least in my truck and lots of space to work with if you're not already dual-battery-ized. However, for something going from the main battery to under the driver's seat, it's not exactly in the most direct path. Then again, maybe you _can_ mount this under the passenger seat in which case it's not really that horrible of a choice if you don't mind the run across the firewall.

    My plan is a GTFO arb mount with 1/0 fused cable from the battery to a capacitor, then a fuse block, then to my amplifiers with 4 gauge. But for my switchpros I'm probably going to keep it on the drivers side with SDHQ mount since I'll most likely tap the fuse box and that keeps those runs as short as possible.

    To me, the main harness on the drivers side is pretty much the last spot I'd want to add anything else to, unless it was one or two super slim shady wires. For +12v constant, after taking the time to route it from the main battery, I'd much rather go passenger side. And maybe the extra gear on that side helps offset the lean a bit too?
     
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  12. Aug 14, 2020 at 9:22 AM
    #12
    Hoksamoen

    Hoksamoen [OP] Well-Known Member

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    Thank you for the insights, Looking forward to getting the gear installed. Dual batteries would be a good next step, as I could use the radio as a cross band repeater. Will have to learn more about getting the right dual battery setup.
     

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