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Originally Posted by BlazerLT
ignition switch
Replace it, known issue with the 1997.
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One other thing to try is the fuel pump lead in the harness (different locations on various models). It's usually in the engine compartment and looks like a lead that should go somewhere (like to an accessory that wasn't bought) but doesn't go anywhere.
Mine was in a large harness along the firewall (93 model) but I've read about others that are in a harness along the driver's side.
The fuel pump lead is a direct connection to the fuel pump. The books says to connect it and the + terminal of the battery through a fuse, but that's overkill if you use a light guage jumper which would burn open if you connected through a dead short (in other words, a self clearing fault).
When you connect directly to the fuel pump (this is an independent electrical path to the fuel pump) you can forget about the starter switch or oil pressure switch electrical paths. If the fuel pump doesn't run, in all likelyhood, you didn't make a good connection (which happened to me because of a bad alligator clip) or the wiring to the fuel pump or pump itself is defective.
This is probably the easiest way to troubleshoot the circuit if you can find the place where the fuel pump power lead has been provided as a lead out in the harness.