SR20DET starting issues

[Carterrr4]

Have searched for months everywhere for even a similar problem but this doesn't seem like a common thing. So the situation is my motor won't turn over at all. It has something to do with the oil pressure sensor(I think) . the wire for the plug must've been tight and one night it pulled out and the motor wouldn't turn over I get power to everything I know it's not the battery . Initially thought it was the starter since it just clicks once so I tried I new one and tested the old one (turned out it was fine). After I had figured out it was the wire for the oil pressure sensor I fixed the plug it worked for about 4 days and then I got nothing again. I bought a new plug/pigtail and soldered it to the harness and got nothing. Tried a new sensor and also got nothing. It's not a fuse or relay they're all good I tried a new ecu figured maybe it'd ignore the sensor altogether but it didn't and the starter still just clicked. Asked almost everyone I know with an SR and no one has ever heard of something like this. Any help is appreciated thanks in advance

[cotbu]

The oil pressure sensor is not the cause of your no start issue!

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[kyral]

check the small black wire going to your starter.