Volkswagen Passat Towbar Wiring Kits - PF Jones Witter Tow Volkswagen Passat Towbar Wiring Kits every towbar needs a wiring kit, vehicle specific dedicated electric kits, 8100+ reviews, rated Excellent, 7pin and 13 pin kits. Language: Tow Bar Accessories. Towbar Wiring Kits Alfa Romeo Towbar Wiring Kits. Audi Towbar Wiring Kits. BMW Towbar Wiring Kits. Tow Bar Electrics On A 2012 Vw Passat Estate - Caravan Talk Hi, Recently took delivery of a new 2012 2ltr VW Passat Estate Sport. Purchased a new Westfali tow bar and13 Pin VW Electrics online. Tow bar fitted OK which looks good. Electrics were a nightmare as the wiring loom had to be routed all the way from VW Caddy tow bar wiring bypass relay - YouTube Click to view on Bing10:36A look at how I wired my bypass relay to my caddy van for my new tow bar. This can be used as a guide to any car as they are more or less all the same.Author: bobs vidzViews: 73K Passat B7 estate towbar fitting guide - UKPassats I went for a Westfalia swan neck bar and 12N canbus wiring harness from PFJones, they said the Westfalia bar and electrics are the OE used by VW. I am told they don't do a 7pin connector (though I'm a dubious of this) but was supplied with a converter. The towbar was easy enough to fit. B6 Towbar wiring - UKPassats I fiited towbar wiring to my B7 Passat using a bypass relay. It was pretty straight forward, you don't need a specific wiring loom and it bypasses the Canbus. I only tow a small trailer occasionaly so I wasn't worried about not having the VW safety functions. The PF Jones web site has info regarding wiring up a bypass relay. 7 Way universal bypass relay wiring diagram | UK-Trailer-Parts 7 Way universal bypass relay wiring diagram. This can be avoided by fitting an expensive manufacturer approved plug-in wiring kit when your tow bar is installed. This should resolve any problems with the diagnostic or fault finding systems, but it won’t be cheap.