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Viair 400

Discussion in 'Recovery & Gear' started by wingnutted, Feb 7, 2020.

  1. Feb 7, 2020 at 8:34 PM
    #1
    wingnutted

    wingnutted [OP] New Member

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    Anyone around here used any of Viair products? Specifically the 400. I'm looking to pick up a small compressor to air up tires, and the options from ARB are pretty dang pricy. Not looking to mount it anywhere (just)
     
  2. Feb 7, 2020 at 8:36 PM
    #2
    14CRWMX

    14CRWMX New Member

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    I have Viair 88p. Great little compressor for up to 33 inch tires
     
  3. Feb 7, 2020 at 8:36 PM
    #3
    Marty McFly

    Marty McFly R.I.P KB!! Lakers Nation 4Life

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    I’ve got a 450. I chose it for the 100% duty cycle.
     
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  4. Feb 7, 2020 at 8:44 PM
    #4
    TheBeast

    TheBeast The Beach

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  5. Feb 7, 2020 at 8:59 PM
    #5
    wingnutted

    wingnutted [OP] New Member

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    @Marty McFly and @TheBeast The 400 has a runtime of up to 40 minutes before needing to cool off, how long are you running yours that the 100% duty cycle is a big deal? I'm only going to be running 33" tires, so I was thinking that was probably enough run time to air all four back up?
     
  6. Feb 7, 2020 at 9:00 PM
    #6
    wingnutted

    wingnutted [OP] New Member

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  7. Feb 7, 2020 at 9:03 PM
    #7
    TheBeast

    TheBeast The Beach

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    running 34"s...and because you always end up being the only guy with the air compressor out of all your buddies :)
     
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  8. Feb 7, 2020 at 9:16 PM
    #8
    Marty McFly

    Marty McFly R.I.P KB!! Lakers Nation 4Life

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    @TheBeast is spot on :rofl::cheers:
     
  9. Feb 7, 2020 at 9:17 PM
    #9
    JimboSlice413

    JimboSlice413 Super Nice Guy

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    I use the 400p auto. It brings my 295/70s from 20 to 35 in a little over a minute a tire. The air hose it comes with is nice too, its plenty long and doesn't drag the compressor around, it stays planted where you place it. Totally happy with mine. I cut off the battery clamps and wired it a 7pin trailer connector using the aux charging circuit. That way I just pop the tailgate and run it off the bed, easy peasy.
     
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  10. Feb 7, 2020 at 9:21 PM
    #10
    AZBoatHauler

    AZBoatHauler New Member

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    Did I miss your thread on this? Pics and parts list please.
    I’m happy with my 400P. If I’d have known about this hack I wouldn’t have needed to buy an extra hose to reach my trailer tires.
     
  11. Feb 7, 2020 at 9:49 PM
    #11
    wingnutted

    wingnutted [OP] New Member

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    Yeah, that's pretty damn clever, I'd also be curious to see how you did that.
     
  12. Feb 7, 2020 at 10:01 PM
    #12
    ZPMAN

    ZPMAN 2nd place is the 1st looser

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    JimboSlice413 likes this.
  13. Feb 7, 2020 at 10:04 PM
    #13
    JimboSlice413

    JimboSlice413 Super Nice Guy

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    I'm assuming you have a factory tow package. If you do, pin 4 is fed with a nice 40 amp circuit, pin 1 is ground.

    Looking at your Viair battery clamps one side of the cable is ribbed and one is smoother. Make note of which one goes to positive and which goes to negative, cut them off.

    Purchase a connector like this one from lowes and follow the diagram, wiring the positive side of the cable to pin 4 and negative to pin 1. (Be SURE to follow the trailer side of the diagram when wiring the connector)

    Same rules apply, engine should always be running when firing compressor. Although, I believe this circuit runs through an ignition controlled relay so I don't think you have a choice.

    1.jpg

    7_way_dd25b9563b650da54b42e96127cd6f7e9346b0c5.jpg
     
  14. Feb 7, 2020 at 10:13 PM
    #14
    AZBoatHauler

    AZBoatHauler New Member

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    :fistbump:
     
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  15. Feb 7, 2020 at 10:18 PM
    #15
    JimboSlice413

    JimboSlice413 Super Nice Guy

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  16. Feb 9, 2020 at 10:37 PM
    #16
    Maadcaap

    Maadcaap White Tundys

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    Thanks guys for the info and inspiration...
    I bought some anderson plugs and a 7 pin plug...
    CURT 58140 Trailer-Side RV Blade 7-Way Trailer Wiring Harness Connector, 7-Pin Trailer Wiring https://www.amazon.com/dp/B001EOWPOA/ref=cm_sw_r_cp_tai_mJpqEbJ0HVEW7
    iGreely 10 Pair 30A Quick Connect Battery Connector Modular Power Connectors, Quick Disconnect Power Terminals Connectors Compatible with Powerpole https://www.amazon.com/dp/B07SCYY1NC/ref=cm_sw_r_cp_tai_8JpqEb0VGAEBT


    I cut the alligator clips off my viair300 and made 2 pig tails.. one with the alligator clips and another with the 7 pin trailer plug...

    Now i can run the compressor off the trailer plug and not open the hood.. and if i need to i can still connect direct to battery..
     
    speedtre and JimboSlice413 like this.
  17. Sep 16, 2020 at 12:03 PM
    #17
    CaptainGrumpus

    CaptainGrumpus The Mailman

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    That is a great idea. Thanks for sharing!
     
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