Mounting air compressor
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Junior User
Joined: Sep 2003
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Mounting air compressor
I am about to buy a Viair 450 c air compressor and want to mount it on my '06 250 diesel. Well those of you with diesels know there isn't much space left under the hood. So where do I mount this thing and do I just wire it to the 30 amp up-fitter switch? Advice much appreciated
Postmaster
Joined: Jan 2005
Posts: 2,753
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From: Phenix City, AL
On my V10 I am barely able to put my ARB compressor under the hood.
Most folks that run a compressor and tank as large as most of the VIAIR setups put them in a tool box in the bed or under the rear seat in the cab.
As far as the wiring, it should come with all the necessary wiring. I've never been a big fan of tapping into the factory wiring on items that can be high draw or high current. I have a whole seperate power block that I have the accessories (minus the winch) hooked up to on a 100 amp fuse. Then all of them have their seperate fuses.
Just go to radio shack, best buy, circuit city, etc and pick up an amplifier power kit and it'll come with all the items I was mentioning. Thn you can add a power block that has as many outlets as you need.
Most folks that run a compressor and tank as large as most of the VIAIR setups put them in a tool box in the bed or under the rear seat in the cab.
As far as the wiring, it should come with all the necessary wiring. I've never been a big fan of tapping into the factory wiring on items that can be high draw or high current. I have a whole seperate power block that I have the accessories (minus the winch) hooked up to on a 100 amp fuse. Then all of them have their seperate fuses.
Just go to radio shack, best buy, circuit city, etc and pick up an amplifier power kit and it'll come with all the items I was mentioning. Thn you can add a power block that has as many outlets as you need.
Senior User
Joined: Apr 2002
Posts: 186
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From: Longview, WA
I've got my compressor mounted inside a slightly modified battery box on the passenger side frame rail right below the front door. The tank is mounted passenger side under the bed. And I have it wired through a relay direct to one of the batteries. I don't have upfitter switches (maybe some day) but I did install some really nice rocker switches from a Western Star for the compressor and horn. I just got pics of it and am going to try to set up a gallery... finally.
Matt
on edit... I just finished setting up my gallery, so you can see pics there.
Matt
on edit... I just finished setting up my gallery, so you can see pics there.
Last edited by darth_calvin; Jul 9, 2006 at 12:59 PM. Reason: gallery pics added
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Postmaster
Joined: Jan 2005
Posts: 2,753
Likes: 3
From: Phenix City, AL
Ask and yee shall receive! 
Here is how my power is layed out:
One wire from battery to fuse-----Fused power to distro block------Distro block to accessories.
https://www.ford-trucks.com/user_gal...id=121986&.jpg
https://www.ford-trucks.com/user_gal...id=121987&.jpg
https://www.ford-trucks.com/user_gal...id=121988&.jpg
The other power wires that you see on the battery are the power for the front and rear winch.
The only things I want to add is a solenoid that I can control in the cab and shut down all power, if needed. Basically a big kill switch. And also a second battery (Optima Yellow Top) that I'll run just the winch from.
Here is how my power is layed out:
One wire from battery to fuse-----Fused power to distro block------Distro block to accessories.
https://www.ford-trucks.com/user_gal...id=121986&.jpg
https://www.ford-trucks.com/user_gal...id=121987&.jpg
https://www.ford-trucks.com/user_gal...id=121988&.jpg
The other power wires that you see on the battery are the power for the front and rear winch.
The only things I want to add is a solenoid that I can control in the cab and shut down all power, if needed. Basically a big kill switch. And also a second battery (Optima Yellow Top) that I'll run just the winch from.
Last edited by BFR250SD; Jul 9, 2006 at 02:28 PM.
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Postmaster
Joined: Jan 2005
Posts: 2,753
Likes: 3
From: Phenix City, AL
Most of those have a pressure switch in them and you just let it run automatic. Dangerous not to have it.
My ARB has the pressure switch for running constant and a power switch in the cab to turn it off when I don't need it, which is most of the time.
https://www.ford-trucks.com/user_gal...oid=92331&.jpg
My ARB has the pressure switch for running constant and a power switch in the cab to turn it off when I don't need it, which is most of the time.
https://www.ford-trucks.com/user_gal...oid=92331&.jpg
Senior User
Joined: Apr 2002
Posts: 186
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From: Longview, WA
I have a pressure switch on mine, but I also have the on/off switch on the dash.
BFR, where did you get your switches? Do you have the plugs to plug into the back? So you can unplug your switch without doing each wire individually? I have the same switches which I got from work, but the only plugs we have are attached to the wiring harnesses already which are all built in Mexico or someplace.
Matt
BFR, where did you get your switches? Do you have the plugs to plug into the back? So you can unplug your switch without doing each wire individually? I have the same switches which I got from work, but the only plugs we have are attached to the wiring harnesses already which are all built in Mexico or someplace.
Matt
Last edited by darth_calvin; Jul 9, 2006 at 03:17 PM.
Tuned
Joined: Jun 1999
Posts: 495
Likes: 2
From: Spearfish SD
Originally Posted by Zergee
I am about to buy a Viair 450 c air compressor and want to mount it on my '06 250 diesel. Well those of you with diesels know there isn't much space left under the hood. So where do I mount this thing and do I just wire it to the 30 amp up-fitter switch? Advice much appreciated
Last edited by Neil; Jul 9, 2006 at 03:21 PM.
Postmaster
Joined: Jan 2005
Posts: 2,753
Likes: 3
From: Phenix City, AL
Originally Posted by darth_calvin
I have a pressure switch on mine, but I also have the on/off switch on the dash.
BFR, where did you get your switches? Do you have the plugs to plug into the back? So you can unplug your switch without doing each wire individually? I have the same switches which I got from work, but the only plugs we have are attached to the wiring harnesses already which are all built in Mexico or someplace.
Matt
BFR, where did you get your switches? Do you have the plugs to plug into the back? So you can unplug your switch without doing each wire individually? I have the same switches which I got from work, but the only plugs we have are attached to the wiring harnesses already which are all built in Mexico or someplace.
Matt
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