IIRC it should be on the rear of the transmission above the differential. It could also be some worn and chafed wiring. The bracket above the starter bends the wires and is also a spot where it can rub. Check ALL the wiring there because a short there caused my injection pump to die.
VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum
A forum community dedicated to Audi, Volkswagen, Porsche, and all turbo diesel owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, TDI, maintenance, and more!