Mechanic Q: Where to buy parts~ Turn Signal Stalk?

93 Pathfinder with cruise cont: My lights and headlights (Brights) stay on and won't turn off after key is taken out. Where can I buy this module ?

Q: REPLACING A TURN SIGNAL STALK?

My lights including bright lights are suck on. Have to replace stalk at steering wheel that controls lights, turn signals and cruise ////////// Where can I order the stalk module other than the dealers ? TIA