Jeep JK Dominion Offroad OBA System - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 9 Old 05-04-2011, 08:21 AM Thread Starter
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Jeep JK Dominion Offroad OBA System

Ok this is my first write-up so bear with me, If I left anything out let me know and if you need any other photos feel free to ask

After recently placing an order for a sPOD I wanted to have some type of on board air system that I could use to fill up/down my tires and be able to connect it to the air gauge. After asking around for a little Im pretty sure it was JKO member JohnnyWalker that turned me in the direction of this:

http://dominionoffroad.com/jeep_wran...air/index.html

So I sent a few PMs back and forth with JKO vendor Woods (Brett). He is incredibly knowledgeable and answered every single one of my questions very quickly and was very helpful in the whole process. Brett is a fantastic guy to work with and I would highly recommend him to anyone.

So when I first received the box I was a little nervous going into this install all by myself, I had never really played with compressors or wiring. Brett included EVERYTHING I needed to make it easy. The night I got the package I followed every step in these videos, They were really easy to understand and It took me about an hour:

http://dominionoffroad.com/jk_oba_install/

The next morning I woke up and went into my dads shop and found an empty mechanic's bay. When I started unpacking everything that I was about to start wiring all the mechanics laughed at me and told me I'd never be able to install this by myself(I'm 17). Well I just went to work and heres where I started:

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Now the compressor bracket wraps around the master cylinder from the bottom, So I unbolted the passenger and driver side and hooked the bracket in, then reattached the nuts, On the other end it connects to where the sPOD bolts up so I simply removed the bolt and then reapplyed it with the bracket.

The only part that I mildly struggled with was the wiring, I was so unsure about what to do seeing how I connect it to the sPOD and not an external switch. So heres how you wire it with an sPOD:

Connect to load or compressor wire label-ran a connector to it and the other end connected to the sPOD

connect to trigger/switch positive label Red direct from compressor goes into label "connect to fused positive power source" the other end connects to sPOD

Connected black ground straight from compressor to spod as well as black circular wire connected to manifold
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On the manifold the attachements go as follows from top to bottom:
In-cab gauge
Pressure release valve
Pressure Switch Relay
Capped
sPOD Air Gauge
Compressor In
Drivers Side air coupler
Air Tank Line

For now on the air tank I have connected like this:
Top - Manifold to air tank line
Sides- all are capped except for the passanger side air coupler line
Bottom- Bleeder valve

The air tank is a VERY straight forward install, however you have to make sure that the tank is rotated upwards very close to the fan and watch out that all lines are pipeline taped and away from the belt.
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Ive used this for a couple weeks and it really is a nice system is exactly what im looking for, Once again if you have any other questions feel free to ask. Also Contact Woods here on JKO, he is a vendor is extremely easy to work with

Passenger side air coupler line:
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Drivers side air coupler line:
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post #2 of 9 Old 05-05-2011, 07:04 AM
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Nice write up and good job showing up those mechanics!
I am in the process of piecing together a similar system. I just got a manifold and bracket from woods a few days ago. I sourced all of the other fittings, compressor and compressor bracket from other places and from stuff I had laying around. I took apart an old shop compressor that I had and will reuse all the fittings and the 3 gallon tank. I plan on fabricating a mount for the tank to hang it under the jeep where the evap canister was and making a skid for it. The compressor I am using is a cheap but powerful Chinese compressor I got from VatoZone that I will have to modify a little.
The system will be powered through a Viair pressure relay and will be controlled by an ARB compressor switch mounted in a Daystar switch panel.
When I am done I will have a 3 gallon tank, front and rear air sources on the bumpers and a regulated source and pressure gauge under the hood.
Later on I will add an in-cab pressure gauge and upgrade the compressor to a Viair 450c.


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post #3 of 9 Old 05-07-2011, 10:58 AM
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Quote:
Originally Posted by LILWB View Post
Nice write up and good job showing up those mechanics!
I am in the process of piecing together a similar system. I just got a manifold and bracket from woods a few days ago. I sourced all of the other fittings, compressor and compressor bracket from other places and from stuff I had laying around. I took apart an old shop compressor that I had and will reuse all the fittings and the 3 gallon tank. I plan on fabricating a mount for the tank to hang it under the jeep where the evap canister was and making a skid for it. The compressor I am using is a cheap but powerful Chinese compressor I got from VatoZone that I will have to modify a little.
The system will be powered through a Viair pressure relay and will be controlled by an ARB compressor switch mounted in a Daystar switch panel.
When I am done I will have a 3 gallon tank, front and rear air sources on the bumpers and a regulated source and pressure gauge under the hood.
Later on I will add an in-cab pressure gauge and upgrade the compressor to a Viair 450c.
I have the viar 450c and im happy with it but i saw a thread on here about a torture test on the viar 400c and it makes me wish i had bought it instead. Its cheaper and pumps faster and that 33% duty cycle seems like its fine for normal usage pumping up tires. I bought the 450c thinking I needed 100% duty cycle for airing up tires and now I wonder if I made a mistake.

I also assembled my own kit using parts sourced from many different places and im happy with the outcome I can take some pictures if your interested.

Last edited by JH08JK; 05-07-2011 at 11:00 AM.
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post #4 of 9 Old 05-07-2011, 04:10 PM
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Looks good but I would get rid of those crip blade connectors and replace them with either waterproof blade types with adhesive lined heat shrink or another type of waterproof connector. Or at least FILL those connectors with dilectric grease.
Or just solder it and heat shrink it.

In a year or so (depending on how bad they salt your roads) it will be worth the time.
I am finishing a write up for JKO on how to do wiring/electrical and one of the items is a Viair and Woods mount.
Good product from a good guy, way easier than piecing it together.
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post #5 of 9 Old 05-07-2011, 04:17 PM
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I just started installing my tank today using the dominion tank mount. I'm curious if you did anything special with AC lines that run across the top of the crossmember. I had to take the clip off on the passenger side and right now the lines are just laying over the top. I was debating on wrapping them with rubber hose and zip tying them to the cross member or drilling a hole in the tank mount on that side and putting the clip back on. I'm leaning towards the latter but am open to ideas.

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post #6 of 9 Old 05-08-2011, 06:32 AM Thread Starter
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Quote:
Originally Posted by usmcdoc14 View Post
Looks good but I would get rid of those crip blade connectors and replace them with either waterproof blade types with adhesive lined heat shrink or another type of waterproof connector. Or at least FILL those connectors with dilectric grease.
Or just solder it and heat shrink it.

In a year or so (depending on how bad they salt your roads) it will be worth the time.
I am finishing a write up for JKO on how to do wiring/electrical and one of the items is a Viair and Woods mount.
Good product from a good guy, way easier than piecing it together.
Ill have to look into that, and I'm deffintely looking forward to that write-up, however I live in a beach community and our roads are never salted.
Quote:
Originally Posted by Heavy D View Post
I just started installing my tank today using the dominion tank mount. I'm curious if you did anything special with AC lines that run across the top of the crossmember. I had to take the clip off on the passenger side and right now the lines are just laying over the top. I was debating on wrapping them with rubber hose and zip tying them to the cross member or drilling a hole in the tank mount on that side and putting the clip back on. I'm leaning towards the latter but am open to ideas.
Im out of town right now, but when I get back Ill try to get some pictures of what I did

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post #7 of 9 Old 05-08-2011, 09:34 AM
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Originally Posted by GRIZZLY47 View Post
Ill have to look into that, and I'm deffintely looking forward to that write-up, however I live in a beach community and our roads are never salted.
ya, you need to corrosion resist EVERYTHING Your roads are ALWAYS salted
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post #8 of 9 Old 05-08-2011, 02:19 PM
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Quote:
Originally Posted by GRIZZLY47 View Post
...I live in a beach community and our roads are never salted...
Quote:
Originally Posted by usmcdoc14 View Post
ya, you need to corrosion resist EVERYTHING Your roads are ALWAYS salted
Believe me, I know...
SEAL ALL EXPOSED/BARE METALS! I am yet to see a metal here in S FL that has not corroded to some degree...

01111001011011110111010100100000011011000110111101 11001101110100001000000111010001101000011001010010 000001100111011000010110110101100101

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James just came a little early......
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...May 2011 bless everyone with pervert wheeling days...
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post #9 of 9 Old 05-10-2011, 07:46 AM
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Quote:
Originally Posted by JH08JK View Post
I also assembled my own kit using parts sourced from many different places and im happy with the outcome I can take some pictures if your interested.
Ya! post em up and let me know.


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