Any 98-2005 bmc from any GS/SC will work.
As for the pressure(?) sensor, you actually have to disconnect it before you take the old unit out.
I'm not sure what year the configuration of the switch changed, but just compare your current one and the new one. If they're different, just unscrew you old one and put it in the new one. You'll see what I mean.
It's the kinda thing where a picture is worth a thousand words