brake harness
I use the Tekonsha Controller also and have for years in previous coaches and just installed one in our new MADP. Don't know about your coach, but the info below may help in your project:
On my 2016 MADP, the harness was at the base of the steering column, left side, folded back and strapped. I removed the black rubberized steering column cover and it was easy to find at the base of the column at the fire wall.
The harness has a pigtail connected with a black connector, about 1"X3/4"X 3" long. On one end are two blue "keepers" to snug the wires in the connector. On the other end is a snap release to remove the pigtail for ease in wiring your new connectors on your workbench. Unsnap the black release...don't remove the blue keepers.
I installed a Tekonsha Controller. The FL harness is marked with white tags affixed to each wire. I had to cut the blunt ends off to expose about 1/2" of wire for my bullet snaps to connect to the brake controller.
The connections are: (FL=Freightliner)
FL Black - Ground (big 12ga wire). Connect the FL black wire to the White Tekonsha wire.
FL Red (big 12ga wire) +12v. Connect the FL red wire to the Tekonsha Black wire.
FL Red w/ white tracer - Stop light switch (small 18ga wire). Connect to Tekonsha red wire.
FL Red w/ white tracer - Brake power (big 12ga wire). Connect to the Tekonsha blue wire.
FL Brown is for a panel light on your controller - not used on my controller.
FL Pink - from the Ignition - not used.
Although the harness is fused in the MH, I installed an inline 20a fuse on the FL large red 12v wire.
Hope this helps.
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2016 Newmar Mountain Aire 4553
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