09-02-2011, 09:28 AM
Eric HerrleWhat's it!
What is it and what does it do?
09-02-2011, 10:01 AM
DougZMy guess is that it's a junction block for a very old brake controller.
09-03-2011, 07:31 AM
chrisWThose are pressure sensors – one is for a gauge and one is for an idiot light. Most likely its for air pressure.
09-03-2011, 10:26 AM
Shadow manOnly way to know for sure is to follow the lines and see what they go to.