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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

Fast Idle

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Old Aug 27, 2007 | 07:53 AM
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F250Wheels's Avatar
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Fast Idle

Is there A fast idle option on the 6.4?
 
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Old Aug 27, 2007 | 07:54 AM
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Yeah, its called regeneration.
 
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Old Aug 27, 2007 | 08:17 AM
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I'm looking for A fast idle control I can connect to A switch to turn on fast idle when I want to, just like I have on my 6.0.
 
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Old Aug 28, 2007 | 01:10 AM
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not sure how my dealer did it, but in park with the emergency brake set, I turn on the 4th upfitter switch for high idle
 
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Old Aug 28, 2007 | 09:13 AM
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Connect the yellow wire w/ green tracer to upfitter switch #4 - took all of 2 minutes to do.
 
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Old Aug 28, 2007 | 09:32 AM
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adt7108 sounds like you know what I'm looking for, where do I find yellow w/green tracer wire, and what do I connect it to on the other side of switch. THANKS
 
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Old Aug 28, 2007 | 05:56 PM
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Is the High Idle mod for the 6.0 the same as the 6.4?
 
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Old Aug 28, 2007 | 10:55 PM
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Under the dash on the drives side, just up by the emergency brake is two sets of wires with blunt ends. One set is for the PTO, and the other is for the upfitter switchs. The yellow wire w/ green tracer is in the PTO wires, and the brown is in the upfitter switches wires. Connect the two together thats it. They are right beside each other. Put on the emergency brake and put the truck in park - flip the #4 switch and it will high idle to 1200.
 
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Old Aug 28, 2007 | 10:57 PM
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I am pretty sure this is the same for the 6.0 too.
 
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Old Aug 28, 2007 | 11:09 PM
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Just curious, what are you doing that requires a step idle?
 
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Old Aug 29, 2007 | 07:16 AM
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Thanks adt7108, I didn't realized switches had power to them are ready.
Begger, I use fast idle for running the A/C while I'm loading up, also usefull when jump stating anothere vehical.
 
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