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Old May 5, 2023 | 12:09 PM
  #1  
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What is this?



At first I thought Upfitter, but read the tag on it. PTO? Reverse switch?
 
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Old May 5, 2023 | 12:16 PM
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Yeah, looks like the harness for the optional PTO control.
 
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Old May 5, 2023 | 12:21 PM
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Originally Posted by Ltngdrvr
Yeah, looks like the harness for the optional PTO control.
Thats what I'm thinking, but according to my window sticker, it doesn't have PTO. Maybe I should do a pub crawl under it and look, but I don't recall seeing anything unusual last time I was under it.
 
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Old May 5, 2023 | 12:31 PM
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Isn't that the customer access bundle? Also, used for the SEIC. You should notice the same bundle in all of the high idle threads and videos. The same harness comes in all of these trucks, doesn't require or indicate that a truck has the PTO option.
 
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Old May 5, 2023 | 12:41 PM
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Originally Posted by acdii
Thats what I'm thinking, but according to my window sticker, it doesn't have PTO. Maybe I should do a pub crawl under it and look, but I don't recall seeing anything unusual last time I was under it.
You won't see anything, all there is for the PTO provision is a block off plate on the trans case.
That harness would plug in and access the computer controls for the PTO provision.
 
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Old May 5, 2023 | 02:57 PM
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I got this package in my glove box. Says for the Trailer Tow Kit but all my 7/4 pin plugs are installed and operational.



oh if you think I should open it up and read the directions you're nuts.
 
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Old May 5, 2023 | 03:50 PM
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Yep, that's the same bundle that I wired a 20K OHM resistor into for my high idle. It should be a standard bundle in the trucks... I have wondered if I could use anything in it for other things though... would have been nice to have wired my dash cam right into one of those rather than using the tap-a-fuses.
 
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Old May 5, 2023 | 03:56 PM
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Originally Posted by chadstickpoindexter
Yep, that's the same bundle that I wired a 20K OHM resistor into for my high idle. It should be a standard bundle in the trucks... I have wondered if I could use anything in it for other things though... would have been nice to have wired my dash cam right into one of those rather than using the tap-a-fuses.
I found that bundle when I did my dashcam install and thought the same. But I didn't stick anything into the plugs to see if there was power.
 
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Old May 5, 2023 | 04:07 PM
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There is a 12v 5a fuses feed in there. I believe it is a key on power.
 
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Old May 5, 2023 | 05:24 PM
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Originally Posted by Bruce M.
I got this package in my glove box. Says for the Trailer Tow Kit but all my 7/4 pin plugs are installed and operational.



oh if you think I should open it up and read the directions you're nuts.
I believe if you remove the tailgate to tow a 5th wheel for example, you need to connect the plugs back there with that jumper to keep everything working properly.
 
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Old May 5, 2023 | 06:00 PM
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My truck has the bundle.

Not diesel.
No PTO.

Don't know why I have the bundle. Left it alone.
 
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Old May 6, 2023 | 07:29 AM
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The PDF explains why all Super Duty trucks come with that harness.
 
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Old May 6, 2023 | 06:09 PM
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OK, in that case, I can remove it and toss it in the box with the other unneeded items.
 
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Old May 6, 2023 | 06:17 PM
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Originally Posted by acdii
OK, in that case, I can remove it and toss it in the box with the other unneeded items.
Sure, but it's not in the way and closes off that connector.
 
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