Hi, I was just wondering if anyone would know what relay sockets (b) & (f) are used for, wiring is all hooked up to them but there aren't any relays!

And also, as far as I know, I don't have heated seats but I do have the fuse and also the wiring up to where the switches are supposed to be. Is the wiring there for that option or may I have that option already or are they just there??? Thanks.

I can't answer the first question for sure, but I hope this [url=http://www.mikeponte.com/volvo/relay.htm]website[/url] helps.

As for the second question, heated seats are really easy to spot. First, you won't have the seat heater relays without leather seats. Second, there would be two switches on your center console just behind the transmission lever (or the stick if manual), and they'd have graphical pictures of seats next to them. The switches have a red light on them to indicate when they're on.