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Discussion Starter #1 (Edited)
Hi All,

I just installed my ARB compressor in my engine bay. I didn't want to install it on the passenger side since I am still undecided if I will ever get a second battery (if I can ever find a OEM style 3-way switch).

I figured I'll show everyone where I decided to mount it in the engine bay since I haven't seen too many installations. A couple of notes:

1) Had to relocated the small fuse box.
2) I didn't drill any new holes in the engine bay (used all preexisting holes)
3) The aluminum plate is held down by 4 points (base and 3 steel washers brace it to the side of the fender). It is rock solid.
4) All mounting points braced by a rubber washer. ARB compressor is also braced by 4 large rubber pads that go between the compressor and the Al plate.
5) I hate the look of non OEM switches in my car so I bought an OEM style compressor switch.

Cheers, hope you enjoy the pictures.

Thanks, Jerry-
 

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Questions:

1. What year is your FJ? The engine bay layout varies considerably between '07-'09, '10-'12, and '13-'14 model years.

2. What was the source for the compressor rocker switch?

3. What is the black cylindrical component "above" the pressure switch? Is that some sort of a rubber sleeve surrounding a female quick disconnect fitting? If it is a QD, you will need to brace the vertical air pipe or it will swing with the slightest pull on the air hose. You might also consider adding a 90 deg fitting just below the QD so your air line exits horizontally rather than vertically, and so that the QD doesn't fill with water.

I have the same compressor mounted in the cargo bay, and really like it.
 

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Discussion Starter #3
This is a 2011 FJ (ARMY GREEN :))

The OEM styled switch was from AirOnBoard.com. They have tons of them and I went with the dual lights on the switch so the compressor pic will light up when you are using it.

The black cylindrical component is the quick release for the female adapter. It came from ARB, which I think uses the rubber to insulate it from the heat after using the pump. The piping is not QD and is fitted and torqued. It will not move anywhere. I like your suggestion with another 90 deg angle to turn the female adapter. I will modify it soon.

Thanks for your suggestions.
 

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This is a 2011 FJ (ARMY GREEN :))

The OEM styled switch was from AirOnBoard.com. They have tons of them and I went with the dual lights on the switch so the compressor pic will light up when you are using it.

The black cylindrical component is the quick release for the female adapter. It came from ARB, which I think uses the rubber to insulate it from the heat after using the pump. The piping is not QD and is fitted and torqued. It will not move anywhere. I like your suggestion with another 90 deg angle to turn the female adapter. I will modify it soon.

Thanks for your suggestions.
Would you be willing to take a picture or explain how you wired the "OEM style" switch? I just bought one of the same ones and I'm having a very difficult time (I'm not mechanically experienced with cars or wiring)
 

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Would you be willing to take a picture or explain how you wired the "OEM style" switch? I just bought one of the same ones and I'm having a very difficult time (I'm not mechanically experienced with cars or wiring)
This should cover it for you. Notice where the original hookup for the switch is removed and replaced by the new switch.

ARB Compressor with CH4x4 Switch.png
 

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This should cover it for you. Notice where the original hookup for the switch is removed and replaced by the new switch.

View attachment 1029106
I purchased a switch from aironboard, also not using air lockers... here's is a simplified electrical diagram, hope it helps someone!
 

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Discussion Starter #8
Or... there's the option of buying a pre-fabbed Powertray :)

Good work on your DIY OP! I agree with leaving the passenger side firewall open for a dual battery setup.
This is awesome!!! Where was this when I was searching for this (maybe my google was broken). I'm thinking about upgrading to this next time I need to remove my ARB.
 
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