How to replace it
1. Desolder the sensor pin from – prong.
2. Take the sensor out from the original pack and then use a pliers to remove the +&- prongs.
3. Solder the sensor pin back to – prong.
4. Tin the +&- prongs. Tin better, solder easier.
5. Insert the sensor into the new pack and put the terminal assembly on the new pack. Tin the contacts before you solder them on the prongs.