The fridge side was not cooling properly. Checked evaporator coils..OK, evaporator fan..OK, freezer cools fine. Damper assembly is making ticking sound as if the teeth inside are broken. The vent does not open properly. Rigged the damper open, fridge cooled properly. Ordered new assembly from Sears but the new damper assembly wire connections do not match the old ones. How to repair it?