Ive just purchased a 55plate Fiat Ducato Coral 680 SL motorhome with 24k mileage on, my question if anybody vcan help.I need to find out the type of immobiliser/alarm factory fitted make that is on this model as I would like to put a Thatcham Cat 1 on, however, if there is a cat 2 alarm on I just need an upgrade and that will save me a few pennies. Thanks in advance.