Okay, i was thinking of looking at this 2002 GMC Sonoma, its a awesome truck, cept there asking for $15000 for it, its automatic, but no power windows or power locks. So my question is, is it hard/impossible to get a lock motor or something and add it if i do end up getting it?

http://www.canadatrader.com/result/detailinfo.aspx?ID=22828556&pgno=3&srt=1
http://showrooms.canadatrader.com/showrooms.asp?RowID=22828556&Dealer_id=3437-3835&Pagecount=2