Start from the beginbeginning. Check your battery. Then for a quick landing; Then check your fried cables. Try to fix as much as possible. Make sure nothing is short-circuited.
If all looks good, pull out the electric wiring diagram and identify all the items which prevents it from starting. Measure all these points and make sure there is no short/open circuits. The obvious would be: side stand and emergency break swichswitch.
The previous willwould be fastfirst items you can check. If all of this fails, you will have to dig deeper. Anyway, this would get you started...