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Adding towbar module to mk4 focus


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I have recently bought a 2020 focus estate and want to add a towbar. The car doesn't have the towbar module or the wiring for one in the location I expected behind the side panel on the right side of the boot. Looking at guides that come with towbar electrics it appears that I need to splice into the can bus near the obd port to wire a vehicle specific kit in.

I'm a bit concerned about using the scotch blocks they supply for this purpose. Does anyone have any experience of adding towbar wiring to a vehicle without the module already fitted?

I asked one 'specialist' fitter how they would do the job if they fitted it for me and all they would say is "it connects to the computer in the car"! I would rather do it myself than trust them, but am hoping there's some useful experience on here I can draw on.

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Search this forum for much information on the subject of fitting Towbars.

Here is a recent thread (Kuga, but same applies to Focus):


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