How do I fix the wiper motor linkage on a 2004 Ranger?

[mada40]

Wipers move freely when I use my hands and the motor is running.So I am assuming that it is the linkage.
How do get to the linkage ? And what parts need to come off ?

 

[BrooklynBay]

Welcome to this forum! I've renamed your thread, and moved it into the Ranger section.