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Upfitter switches

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Old Nov 17, 2023 | 07:14 PM
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Upfitter switches

Hi, I have now a 2006 f250 xlt with a 6.0. It has the trailer brake unit but not the Upfitter switches. How or where can I find out if the truck has the wire harness for the switches and the other end to hook into for accessories?
 
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Old Nov 17, 2023 | 11:02 PM
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The wires are behind the pocket on the back side of the dash. They come out in the loom just above the brake master cylinder under the hood. B.
 
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Old Nov 18, 2023 | 02:52 PM
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Originally Posted by LindenBruce
The wires are behind the pocket on the back side of the dash. They come out in the loom just above the brake master cylinder under the hood. B.

Are you talking about the customer accessory wires? Pretty sure those are different than the upfitter switch harness.
 
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Old Nov 18, 2023 | 06:29 PM
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I went and looked at one of mine, I didn't see anything obvious (like a stowed pigtail) that would plug in. Usually the same harness will work for any option, so I assume it's in there somewhere.
 
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Old Nov 18, 2023 | 06:51 PM
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Old Nov 18, 2023 | 07:20 PM
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Great info, thanks Mark!

 
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Old Nov 19, 2023 | 08:25 AM
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Mark coming in clutch like always!
 
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Old Nov 19, 2023 | 11:22 AM
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LOL - thank you Joe!

I have it, so why not share it!!
 
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