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MK2.5 Focus just replaced the aerial which wire can I cut into to power it?


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2 hours ago, Scampa said:

Sorted managed to find a diagram and spliced into the 12 permanent it has considerably improved the reception

The full wiring diagram for the Mk2 Focus is on this site:


(Also the Mk3 Focus: https://www.fordownersclub.com/applications/core/interface/file/attachment.php?id=42086)

I was not sure if it was an auto extending aerial, or an amplified one. There is no signal on the standard Ford radio / head unit for this, pin A13 which should be this, is the alarm.

But using the battery +12 (permanent) risks some battery drain. Splicing into the Aux supply, the Ye/Gn wire to pin A16 marked Ign Sense, would be a better bet. Perfect for an amplified aerial. Only on when the key is in the Aux or Ign positions.



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