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Installing portable Viair 300p , in truck.

Discussion in '3rd Gen. Tacomas (2016+)' started by Sbob74, May 25, 2019.

  1. May 25, 2019 at 9:57 AM
    #1
    Sbob74

    Sbob74 [OP] Active Member

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    Hello Forum members

    I have been looking and reading about people installing on board air. I am thinking about installing my Viair 300p in the engine compartment. Is there a universal wiring kit I could buy or modify to do this? If anyone has done this, could I get some info from you. Or redirect me to a link to read up on. Tired of airing up with a Ryobi cordless air compressor and the 300p fit my budget and seemed good enough for the amount I would use.

    OH!!!!!! what accessories should I carry and what ones are suggested??
     
  2. Dec 9, 2019 at 10:40 AM
    #2
    kgarrett11

    kgarrett11 Master Yoda

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  3. Dec 9, 2019 at 12:10 PM
    #3
    piff

    piff Well-Known Member

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    Would need to fab up a bracket to mount it somewhere. I've seen people mount ARB compressors in the back left of the engine compartment, maybe look up how people install the ARB compressor and see where they mount...

    Wiring is wiring. You will have to cut off the clamp ends and splice on your own wires of the same gauge. Go through a fuse and a switch somewhere.

    Think you'll get the most help with watching an install of an ARB compressor on a tacoma and kinda following what they do...
     
  4. Dec 10, 2019 at 8:34 PM
    #4
    Sbob74

    Sbob74 [OP] Active Member

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    Ill post pics this week, worked great out at Glamis.
     
  5. Dec 10, 2019 at 9:01 PM
    #5
    The_Devil

    The_Devil Well-Known Member

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    A few problems I forsee, but not impossible.

    1. Air pressure cutoff switch. Would prefer automatic, I did not think the 300p came with it, just a manual on unit switch. I guess this is not essential if you are not running an air tank.

    2. Manual switch location. It's on the unit itself, so you would need to leave the on unit switch on, and install a manual switch on the battery wire. Where would you place the remote switch? I toyed with the idea of a 40A wireless 12v switch fob LINK.

    3. If the idea is to run an air hose to an aux location, you will really covet the idea of a relocated manual switch or auto pressure switch or both.

    I just ordered the 300p (arrives tomorrow).

    I have run high amp battery cables to the back, so regardless of the tire I am inflating, the unit and it's power switch is local to where I'm working.

    Plan to carry a 20ft 1/4 rubber hose in covered bed.



    If you figure something out, let me know please.
     
    Last edited: Dec 10, 2019
    bdiz likes this.
  6. Dec 10, 2019 at 9:32 PM
    #6
    Grossomotto

    Grossomotto Complete 3rd Member

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    This pic helped me, the pressure switch goes to a tank or manifold. I used a 2 gallon tank and bolted it underside of bed front passenger side.

    Installed coupler on frame right next to the tank (yeah not getting sliders anytime soon). The compressor itself I put in the bed storage with the expedition essentials mount, totally had to hack up the EE mount, but fit perfect, then locking Mobtown doors.

    The power switch I put in lower dash (Meso panel) next to the locker switch. This was a rather long ass install, like several weeks because I ordered parts as I went.

    73848ADD-C005-4E91-97DC-2A938CFCC390.jpg

    B3C769D6-6D2B-4B5D-AAEB-9F3075881146.jpg

    38D081C9-F179-4ED0-964B-79BC7BC30095.jpg


     

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