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4 prong to 7 prong
@adamsdaddy. I tapped into that purple green wire. At the top left. Looked under there at that harness no orange on mine. Dealer said it's a hit or miss. The hitch installation store near me said the tap into any 12 v source or run a new wire.- Bigpappa
- Post #15
- Forum: 3rd Gen Ford Expedition Towing & Hauling
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4 prong to 7 prong
So I went ahead and tapped into this 12v power source(purple with brown/ red stripe). It goes into this tiny module attached to the frame above rear driver side tire. I have 12v power to the pin now. Hooked up trailer towed it to gas station checked tires and to see how the exp tows. It charged...- Bigpappa
- Post #10
- Forum: 3rd Gen Ford Expedition Towing & Hauling
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4 prong to 7 prong
Follow up to help anyone with my findings. I traced the whole wire harness and did not find the 12v unicorn orange wire. Called dealership. They said run a hot wire with fuse link or tap into an existing 12v line in the rear. Stopped of at my local hitch install store. An installer told me to...- Bigpappa
- Post #7
- Forum: 3rd Gen Ford Expedition Towing & Hauling
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4 prong to 7 prong
Thank you. Links were sort of helpful. However still left to not knowing where this elusive unicorn orange 12v wire would be in the harness.- Bigpappa
- Post #4
- Forum: 3rd Gen Ford Expedition Towing & Hauling
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4 prong to 7 prong
I currently converted my 4 prong trailer harness to 7 prong on my 2016 xlt. However, I'm looking for the power wire if any. I'd like to, in a perfect world, not run a line from the battery to plug. Is there a power wire in the harness anywhere? And what color and where should I look? This...- Bigpappa
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- Replies: 36
- Forum: 3rd Gen Ford Expedition Towing & Hauling
