you will need to run a new earth lead from main body to tailgate itself [by passing hinges]. they rely on hinges for earth connection,but as vehicle gets older they rust and cause problems like you have.
k
September 2010
Dirty contacts on the tailgate bottom edge or poor earthing through the tailgate hinges
nigel
September 2010
I can answer this question...
intermittant fault with rear wiper ford fiesta (y reg)?
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