while i'm at it, I see alot of you have this mod....What do you do to get this and what benifits do you get from doing it? thanks for your help and replies

 

As I understand it, the high idle mod is to keep unburned diesel fuel from building up on top of the pistons, causing it to seep down around the rings and into the engine oil with the high compression of diesel engines. I believe this is called "wet stacking". At a higher idle, the fuel would burn off more efficiently so sitting at idle you want to raise the idle speed, hence the high idle mod. This is only my understanding and I do not claim to speak as a professional, only deducted from what I have read.

There are instructions to this in the Tech Folder at the top of the 6.0 forum.

ON EDIT:
here is the 05 and 06 instructions http://www.thedieselstop.com/content...%20High%20Idle
here is the 03 and 04 instructions http://dan.prxy.org/Truck/Other/High..._idle_mod.html

 

What year 6.0 do you own? If it's 2005 or later, high idle is not a "mod." Ford has built-in the circuitry into your truck and all you have to do is find a wire under your steering column and hook it up to a switch.

High idle is useful for 6.0s because long periods of regular idle is not good for the engine. (I let someone else explain why.) The 2005 owners manual says that you should not idle more than 10 minutes per operating hour.

2005+ 6.0s have two built-in high idle circuits. The first is the Battery Charge Protect circuit. You must be in Park with the parking brake engaged. Idle will rise to 1,200 RPM. If the engine computer detects a low battery charge, the BCP can increase high idle up to 2,400 RPM to charge the batteries.

I use BCP as much as possible, including waiting at a drive through. If you plug in 12V accessories or use a 12V-120V power inverter, you really should have BCP hooked up. It's great for keeping the air conditioning running cold while stationary in Death Valley or maximizing heat in winter.

My BCP has never gone above 1,200 RPM because I keep my batteries hooked to a Deltran Battery Tender and I always engage BCP when using my laptop connected to an inverter while stationary. I have been in my friend's 6.0 when his batteries were weak and have seen the BCP raise RPM to 2,000 for about 30 seconds, then come down to 1,200.\

The other up idle circuit is the Stationary Elevated Idle Circuit. A lot of guys have this one hooked up for the wrong reason. SEIC raise idle to 1,200 and keeps it there. It also locks the Torqshift torque converter. SEIC is designed for Power Take Off applications.

PTO is used to power external machinery out in the field like water pumps or electric generators. These are physically hooked up to the transfer case (must have optional PTO output).

Unless you're filling up a water tank out in the back forty or running a big electric generator to use power tools in the middle of nowhere, hook up the BCP.

Of course, you could hook SEIC and BCP to two seperate switches and use either, but I'm guessing BCP is the one you want.

I don't have access to the instructions, but the Ford Body Upfitter's Guide shows exactly which wire you need to hook up. I'm sure somebody here can point to to a download location.

I hooked my BCP to the #4 factory upfitter switch. My truck didn't have the upfitter switches optioned from the factory, so I ordered the factory parts from Tousley Ford.

The installation and hook up was easy. The toughest parts were finding the tiny bundle of 4 wires under the steering column and soldering the one connection because the factory wires are pretty short and you have to be pretty small to comfortably solder laying on your back under the dashboard.

 

For the past year of having it, I have used it for fun, I have never had a need to use it.
But I am glad that I have it in case for some reason I do need its benefits.

If you need power from the truck, it helps with that. electricity, external pump....

Faster warm up time. But I have a block heater so I use that for 1-5 hours depending on temp.

If you put new internal parts on the truck like a rebuild, it would help to heve the elevated idel to brake them in.

And you have to really idle the truck allot to need it to help burn the fuel while the truck sits.