
It's a rb26 swapped in a z32
Looks like pin 47 black with yellow stripe..

Carl H! I just got a rb20 s13 that needs a tune. Is it possible if I could have your email to contact you for a tune?Carl H wrote:looks to be ignition signal (key on) so answer is yes, a lot of stock nissan ecus will not start or behave properly without the signal and some standalones require it as well.