MrIan Posted November 28, 2022 Share Posted November 28, 2022 I'm fitting a subwoofer and amp in my 2011 insignia and can't find a wiring diagram for the head unit plug to locat the rear door speaker wires. Can anyone help me with this please? It's the only thing holding me back from getting it fitted! Quote Link to comment Share on other sites More sharing options...
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