not starting

Hi everyone, So I bought a FZ6 S2, the dash and tacho wasn’t working because the previous owner had put in a different ECU because he bought as a none runner and used a ECU from another Yamaha to prove it was a ECU fault. I’ve bought a new ECU, 4S8-8591A-00-00 I believe to be the correct...

Well, I am in need of some advice. I am only moderately mechanically minded so I feel that I have checked the things that I know how to check, and could use some pointers in the right directions. I am getting this audible electric/clicking sound coming from the ignition/dash area when...