As far as I know, the coil is original, and measures ~0.8-0.9 ohms, not 0.4. This is across terminals 1 and 15... that is the only way I could see how you would measure it, unless I'm mistaken?

__________________
Current:
2021 Charger Scat Pack Widebody "Sinabee"
2018 Durango R/T

Previous:
1972 280SE 4.5
2014 Jeep Grand Cherokee Limited "Hefe", 1992 Jeep Cherokee Laredo "Jeepy", 2006 Charger R/T "Hemi"
1999 Chrysler 300M - RIP @ 221k