An ignition coil requires the output of a condenser for a high voltage inrush to energize the coils to create the needed output. Simple switching of 12v is meaningless. Mitsubishi coils are about the most reliable one will find which is why they are used by the largest number of manufactures in the world.

This is why I probed you with a simple trick question. You Tube will not teach you how to test or fix anything. Those of us who do know how things work as well as do diagnostics do not make videos.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.