That's what I thought you were looking at as was I.
It would help with a framework of 3/4" tube.
I also look at that & see how much it would help to move all fittings & lines to the front wall of the cell. That would be more work but also be alot safer than on top.
A guy could also make a...
Exactly, the noise of the rig, trail, other rigs, ect make it tough to hear.
I wire all important sensors to a light as when they need monitored most we are usually concentrated on the driving task at hand.
The temp gauge sender is in the anodized block and the thermo switch is in the small, natural fitting.
I wire my thermoswitch into a dash light also so it signals when cooling fan is on.