Originally Posted by RickO:
Originally Posted by gunrunnerjohn:
I suppose the chuff switch could account for the chuff not working, but I don't think that should affect the brake sounds.
Does the smoke still "puff" when its underway, if the smoke unit puffs the switch is functioning.
Correct, but if it's puffing smoke, I am a loss as to how it's not chuffing, the IR connection is obviously good.
The chuff switch is inside the locomotive, buried at the bottom. You just take everything out but the motor, and usually that's where you find the switch! 
