I am pretty sure that the firing order is 1&4 and 2&3.
So one coil feeds 1&4 and the other 2&3!
Edited:
The firing order that i wrote above is wrong,keep only the second sentence!
First coil fires 1&4 second coil fires 2&3
So one coil feeds 1&4 and the other 2&3!
Edited:
The firing order that i wrote above is wrong,keep only the second sentence!
First coil fires 1&4 second coil fires 2&3