Brian for Model Number 106.9555751 What happens if you put the black wire from the new defrost timer on the wrong terminal? And how long before you realize it's on the wrong terminal?
Answer Brian, The only thing that it would do is cause the unit to not advance into defrost and would normally show in about a week. For your model the black lead wire should go on terminal number 2. Read More... Answered by AppliancePartsPros.com | Friday, January 18, 2019