Strange Turn Signals/Brake Lights??

Not sure if it's better to bump, or start a new thread.

How exactly do you replace the turn signal switch on a 69 valiant? And any good recommendations on where to find one? Would this work? [ame="http://www.amazon.com/Turn-Signal-Switch-Plymouth-Barracuda/dp/B007NZSY8K"]Amazon.com: Turn Signal Switch for 1967 1968 1969 Plymouth Barracuda - Valiant & Dodge Dart: Everything Else[/ame]