My car wont start. I was hooking up the apexi neo and everything was all good. i only had the 2 power wires, 2 ground wires, and the rpm wire hooked up. i dont understand. it was working fine and i started to crank it and it wouldnt crank. now the apexi neo doesnt even come on and i also tested the ecu for hot wires, and there are NONE!!! NONE ARE HOT in the ecu!! What is wrong? please help me!! is it the main relay maybe?

 

i payed a lot of money for the harness to be on the safe side ... recheck your wires maybe got a wire hanging around

 

i already did. one wire wouldnt make the entire ecu not work....none of them are hot when i turn the car on....