I am replacing my old wall oven with the Kenmore c 970 the problem is my old oven had 5 lines , red black yellow white and green , the Kenmore has black red green white , and three fuses I understand where the black and red go , but the white should it go where the yellow one used to go ( the fuse ) or right to the panel what was the 5 yellow used for ,,,, appliance is about 30 years old