Dehydration is a common reason for jaundice. Try to encourage more breastfeeding. Child should pass urine 6 to 8 times in a day.
If that is not happening, then it is the reason for jaundice.
Also get a
thyroid profile done as 14 days jaundice is called prolonged jaundice.
Sun therapy,
Direct in the morning for 30 min if possible
Indirect (coming through windows or door) can be given throughout the day