Trying to cut a long story short, I’ve replaced my com2000 unit with one one that had damaged ribbon (only the horn does not work). So all I want to do is wire up a switch to the horn. I need to identify which two coloured wires go into which plug at the back of the com2000 unit that are for the horn on a 2005 pic.
The old com2000 unit had broken ribbon causing an airbag problem, the changed unit is easier to work around. I can’t afford a new unit and surprisingly they are like hens teeth here in France.
2005 pic horn wiring on com2000
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