Join Date: Jul 2005
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Are you sure the boxes are compatible? I'd expect them to be running different 'firmwares' as the protocols are likely to be different on the head units of the different cars.
I suspect swapping the connector over will just leave you with a useless unit. In your shoes, I'd stick my current one on
and put whatever I made out of it towards buying the correct unit.
Currently in Horatio's garage:
2010 Laguna III Initiale.