Thanks, I did a lot of checking online, but didn't think of actual in-app help.
That got me further, so I have taken what I did before and entered the following fields:
Method:
POST
URL:
192.168.0.175:1880/plugBody:
location=hall&state=off
However, when I run that task, it doesn't register with the Node-Red server and gives me what looks to be the code for an HTML page that looks like an Error page. "Unexpected Token 1 in JSON at position 0" seems like the main part of that message. It's weird that the HTTP Post gives no issue, while the HTTP Request task gives the error.