Can’t find this connector on my wire harness, is this the wrong alternator? (More explanation in desc)

Wire harness is from an 88 rx7. Alternator is off of a parts car 86 rx7, but the connector that goes there was spliced in on the 86. I don’t know how it was hooked in, wiring is all janky

Wire harness is from an 88 rx7. Alternator is off of a parts car 86 rx7, but the connector that goes there was spliced in on the 86. I don’t know how it was hooked in, wiring is all janky