Quote Originally Posted by Hodge View Post
If it's a factory radio , it will be grounded through the factory aerial.
Youl have to ground the unit at the back. Can't remember which wire it was at the plug.
Had to do the same on my 2005 , when I swapped head units.

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It’s an aftermarket pioneer I think. For some reason I thought it was grounded through the screws holding it into the fascia.
All good I’ll either cut the loom that I left inside the wheel arch for the antenna holder thing or find the earth on the back of the headunit


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