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And here's a couple of instructions and pics that show the physical connection.
When installing the purple starter motor lead wire, orient it upwards to the 10:00 position. Install the starter motor S terminal washer, purple lead wire and nut. Tighten the S terminal nut to 4 N·m (35 lb in).
Install the gray and rust colored wire from the engine wiring harness along with the positive battery cable terminal to the starter motor stud. Tighten the positive battery cable stud nut to 10 N·m (89 lb in).