If your car has a light timer on the dome light that can cause the light staying on with the LED, because the led does not put enough load on the circuit to heat up the timer.

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5