Well, you have to get the lights working anyway... Could be connections, relays, fuses or fusible links. You need a schematic (local library or simple service manual).
See if you have spark now. Then when you get your lights working, try again
You are likely describing a blown fuse link wire. On your van they are located on the starter solenoid. They are about 8" long and have a soft rubber insulation on them.
If you want to test the main grounds, use a booster cable and run it from the battery neg to the firewall. If this fires it up, then the mesh ground strap is dead. It runs from the passenger side bell housing to the body just above it. There is a second small ground that runs from the battery negative to a bolt just behind the headlight. Check it for signs of melted insulation.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT'sPrescripti>
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