replaced water pump, cranks but wont start- timing is correct. on 1990 Toyota Pickup

just bought the truck it ran but had a water leak, new water pump installed, checked timing marks appears correct turns over but wont start. pulled # 1 to check for spark appears good. found harness wire near igniter grounded to fender well 2 wires black/white and a heavier black with eyelet dont know where it goes- maybe a picture of the harness would be helpful, any help appreciated.

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