The plug on the Galant Loom for the radio is not quite the same as anything that I have seen before. If you are gaggin to have a go at wiring the radio in without going to Halfrauds and spending £11 on a ready-made convertor, then this could be for you:
Remove the panels around the radio as shown in Kierans HOW TO post - Here.
After removing the radio and panels, you should find a plug with 14 pins. My photo of it is not good, but here it is: