Sunpro tack for s13 ka24de swapped corolla HELP

[chuki monsta s13]

Hello, everybody so I have a bastard swapped ae71 corolla that I just finished up and I am using a sunpro tach from autozone since these corollas never came with a tach from the factory. The tach has power and illumination and ground to chasis hooked up, I just need to find the right signal wire so tach to work, I tried getting from the coil but needle from gauge doesn't move. Any help appreciated

thanks