windscreen wash not working!

hi there..
ok chaps, my problem is no windscreen wash front and rear, also headlight washer and wipers not working? due mot so..!! well need ta get it running.... was going to order a new washer pump until the guy told me there are three!! mmmmm...... so i figured all three cant be knaff..been looking a fuses ones ive checked are all ok.... ohh yeah when trying to get the washers to work front and rear holding switch down at steering wheel stem no sound from pump at all,,,was wondering if there is a rely perhaps
any help appreciated
cheers Hurrricaneuk
oops its a p38 4.6 hse 1996