Mystery item on FLA M997

[bikeman]

https://www.reddit.com/r/army/comments/rbzabi
Soldier posted on Reddit, trying to figure out what this is, and/or how to operate it. I've never seen anything like it.

Link to the thread is above, but for posterity, picture is attached as well.

 

[Bill Nutting]

Bump

 

[D6T]

It’s a Webaster timed block heater control head.

 

[HUNvee]

It’s a Webasto Air Top 24V Combi Rheostat/Digital Timer.

 

[papakb]