Here is the OEM jumper harness that works the manual trans reverse lights and manual trans NSS completion. You can see how they completed the NSS circuit and why they call it a 6 pin connector.
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That’s from a 4 cylinder. The 6 cylinder harnesses use an apex 2.8 4 pin connector for both auto and manual, simply with a different pigtail that goes to the NSS or manual reverse light switch.
Hose jockeys trans has the NSS pigtail on it.