Thanks guys for the replies. I'm new to the sight and still getting used to it, and I'm online using my phone more often than using a desktop so it a bit hard to see everything.
What has been confusing me is that what looks like the same part (passenger air bag or module) take of a 94-98 mustang have different manufacturer part numbers.
My mustang is the standard GT with tan coloured interia.
I intend to ring you guy in a couple of days, i'm flat out at the moment.