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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Need some technical answers please

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Old Mar 7, 2022 | 06:48 AM
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Need some technical answers please

Son and I bought a 2006 f350 6.0 extended cab with 107k that had an engine fire. Frame harness and cab harness still look good. The fire came from the snow plow mounted on the front. We also have a donor f350 for all the harnesses and pieces

My question is based off of the donor. The original has auto hubs and the donor has the 4x4 is on the floor. Are there any differences in the wiring harnesses in the engine bay? I think there is a vacuum line that I will have to replace. Any other differences I would run into?

Would appreciate any help. Thanks.
 
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Old Mar 7, 2022 | 09:24 AM
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What year is the "donor"?
 
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Old Mar 7, 2022 | 10:13 AM
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The one we are working built 08/05
donor built 01/05
 
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Old Mar 7, 2022 | 10:41 AM
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So your donor is an 05. There were a few engine harness differences, but probably not enough to matter.
 
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Old Mar 7, 2022 | 12:01 PM
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Any differences that would affect auto hubs vs manual 4x4 shifter? Thanks for responding.

jason
 
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Old Mar 7, 2022 | 12:02 PM
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Not that I know of.
 
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Old Mar 7, 2022 | 02:18 PM
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You'll need to source a 4x4 vacuum solonoid and a bit of vacuum line, other than that I believe it's all the same.
There is a control module mounted above the glove box, but it sounds like that part is still intact.
 
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Old Mar 7, 2022 | 02:37 PM
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Does the wiring from switch in cab to the transmission go through the engine bay?

thanks.
 
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Old Mar 7, 2022 | 07:06 PM
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I don't recall. Grab a creeper and follow the harness from your t-case, see if it ends in a melted blob.
 
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Old Mar 8, 2022 | 09:09 AM
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Unfortunately the truck is about 200 miles from me. I trying to research as much as I can before attacking I

Thanks everyone for the help.

jason.
 
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Old Mar 8, 2022 | 09:32 AM
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For the 06 model year, the wires go from the 4WD switch to the 4WD control module. I do not know what wire bundle they might be in though. More than likely the wires that travel over the turbo in that (not so reliable) plastic tray. There are also VBATT and VPWR wires from the Central Junction Box (CJB), and one from the brake pedal switch that go directly to the 4WD control module. I also see one wire from the ABS control module (VSS) to the 4WD module.
 
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Old Mar 8, 2022 | 09:39 AM
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Several more:

Two from the transfer case relay box to the 4WD CM
Two from the CJB to the ESOF solenoid to the 4WD CM
One from the PCM to the 4WD CM
 
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Old Mar 8, 2022 | 01:22 PM
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I got parts from the wrecking yard once and I think if I recall correctly
that section of the harness goes crosses behind the air bag.

I just looked it up in the electrical diagram book and the module and harness stay in the cab.
 
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