wrong solution . How can you give directs supply from battery connector bacose coil takes supply from battery connector.it is all waste.
If you wants to make Nokia 110,112,114 display light follow it
1- remove transistor and diode.
2- transistor have 3 legs.1aheadand 2 legs behind. One leg become ground and second supply of behind legs.take a jumper from supply leg of transistor and joint it on display pin no-2.
3- make ground display pin no-3.
chek it 1000000%display light will be come.
4- if you want to make keypad light too,apply same trick for keypad light.
Note-- no need any transistor or diode and if you want to remove coil too you may remove.