hi can any one help me trying to wire up head lights on project does any one know which relays are which out of the sierra fuse box their seems to be 4 relays to the lighting but manual does'nt show which many thanks

I think you will find that on the back of the panel lid it has all the fuses, and relays marked on, (relays have roman numerals). In the haynes, (section 12 I think), it tells you which is which. HTH Ray.