[statik]

That part of the harness looks fine, believe it or not all of those splices come from the factory, most are sensor grounds, you can usually tell if its a factory splice by those small metal crimps they use, and usually the blue electrical tape, at least for an older nissan harness. It looks like you are trying to do everything yourself, which is great, but the harness can be daunting for a first timer, if you have any questions feel free to PM me.