Coil used In our Remake are original Bally \ Williams coils, only difference is the connector soldered on them.
If you have to change a coil do not trash the coil soldered wires / connector because you need it for your brand new coil.
You have to solder the cables in the exact way are soldered on the coil installed, IF you install it wrong you risk to brute your game.
NB: check the diode direction (silver mark)
EXAMPLES:
4x wiresFLIPPER COIL 
3x wires SLINGSHOOT COIL
Solenoid Table