Yes, it is supposed to work just like that. And to add, you should be able to turn it back on just by tapping the brakes, even if the truck has no keys in it.
Here is a quote for another thread on the same subject.
Quote:
Originally Posted by mxsjw
"Why can't I turn off my brake controller?"
I have been doing some thinking and research on this...
#1-A switch would be one more possible "fail" point, you do not want a failure while towing...AT ALL, RIGHT!!!
#2-Your brake controller is always ready to work...Let's say for example, that the controller shut off with the ignition switch, now let's say that you did not have the keys in the ignition and the whole mess starts to roll, you really want to be fumbling around to find those keys?
I am sure there are more reasons, most of which will be "legal" to "idiot" proof the unit.
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