Fidel Robles

Anyone near el Monte ca willing to help me out? Had to replace the alternator harness and the Y connection from the throttle position sensor and the other one to some sort of air valve sensor.not sure if I wires this harness right and can't seem to find it online.... well now my check engine light is on and marking my battery low on dash but reads fine on meter ..... tool for a drive and I have no power very sluggish and now it won't even stay on.it just turns off right away ......please help I'm desperate