I definitely have the the 3 speed motor, checked it today.
So if I am reading the replies correctly, I just need the 3 speed switch and may have to play around with the wires.
Do this sound correct?
The under dash harness/switch connection is already there to accept the 3 spd switch, plug and play, but you need to make sure your 3 spd wiper motor is for a B body application, the crank arm and firewall harness plug ends on the motor are specific to your B body 2 gen (68-70) Dodge/Plymouth
Here's what a 70 B body 3 spd wiper conversion consist of:
Your wiper crank arm should be pn# 2822273 if OEM, repro arms and bushings are available repro if needed