Quote:
Originally Posted by YorkshirePotter
Should there be more than one attachment on the back?
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The head unit only has a blue plug and a white plug to the rear. The sat receiver is a single lead plugs into the back of the
sat nav or trimble and if it plugs into the trimble then that in turn plugs into the satnav.
So, you need to see the wiring configuration behind the sat nav unit.
Has the sat nav unit in the boot been replaced?
As said earlier in this thread if you cannot fix it then Bigruss can and he won't charge you the earth.