I have recently purchased a 1969 Wildcat 430 just wondering where I would look for the kickdown switch or cable I don't seem to have one I am new to buicks hence the question
It's an electric kick-down actuated by the gas pedal inside the car above the gas pedal if I remember correctly.
Your 1969 Wildcat uses a THM400 transmission. The kick down is electric. The 350 transmission uses a cable, all 400 transmissions are electrical. The connection at the transmission is on the driver's side. Looks like this, The vertical spade is the kick down connection. The horizontal spade was used for the switch pitch in earlier years, and an emissions pressure sensor on the valve body in later years. It isn't important to you though. When 12 volts is applied to the vertical spade, the transmission kicks down. There is a slide switch operated by the gas pedal that passes the 12 volts to the transmission. Looks like this,
