If it's an 84 - Most likely the problem is loose wires or a broken fusible link at the starter.
If 85+ check the ECM reset connector. With no light and no fuel pump it sounds like your ECM isn't working. Most likely the problem with a non-functioning ECM is that it is not getting the proper power to it. There are two power wires to the ECM, one switched and one unswitched. It will not function unless it has power on both leads.