How to remove '66 wiper switch

[turbohounds]

I need to put my wiper switch on a new harness and can't get it out and find no useful information on the web. Any suggestions? I don't want to damage it trying...

[Funky61]

Here's all the manual shows Turbohounds

[turbohounds]

Thanks! I thought that was all it was but it does not want to let go and we didn't want to break anything. Perhaps a little PB Blast will knock enough dust out.