Quote Originally Posted by buckshotbarlow View Post
how would i test the "exhaust red brake button of death"? Any ideas?
Just get up 30-40 and back out of the throttle. Then push the button and it should be very clear the change. . Mine is on/off with a switch and vacuum operated.

When on it engages anytime you back off the throttle but I have seen manual ones. They are very useful on the Dodge.