Anybody got a sierra wireing diagram

[Tilly819]

Hi all, since i never baught a doner car i never bothered to buy the haynes book of lies for it, *oops i meen manual* so i was wondering does anyone have a wiring diagram for a sierra in electronic format they could email to me or know of one on the web and post a link..
Need to now what all the wires on the collum are for...

Chears and thanks again
Tilly