Nissan Repair Questions? Ask a Mechanic for Answers ASAP
Hi, I am Mike, welcome. I'm reviewing your question.
Are you saying this originally had an automatic transmission with a neutral safety switch and then someone swapped in a manual transmission and somehow used the old neutral safety switch, cause I thought manuals has a clutch start switch.
Here are both wiring diagrams , so depending on which you have, make sure you check the fuses.