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Topic: Emerson model MT9000 in dash radio- monitor- Need wiring diagram (Read 719 times) previous topic - next topic

Emerson model MT9000 in dash radio- monitor- Need wiring diagram

I recently removed the Emerson model MT9000 in dash radio- monitor  because the display was failing. I believe this radio was original to the coach. I am going to install a Clarion NZ503 in its place. Unfortunately I do not have the wiring diagram of the Emerson. I have not disturbed any of the plugs that were connected to the Emerson. Although most of the wiring is self explanatory, I do not know which  wire (if any) was the parking brake wire that will allow the new radio display to work. Does anyone have a wiring diagram for an Emerson model MT9000, or know which wire is the parking brake wire?
I have searched the web for a manual with no success.
I would prefer to hook the parking brake directly and avoid using the toggle switch or relay method.
Thanks to all in advance
2000 U270 34' WTFE Build 5756 "Ole Red"
2014 Honda CRV
Washington, Vermont
Lady Lake, Fl,  Independence, VA
Former owner of 2002 U320, 2003 U320, 2005 U270