Fooch -- they didn't need a trailer to check the wiring. There is a "trailer simulator" that they should have that plugs in to the seven-way plug and allows them to check all the wiring to include the brake signal from the controller.
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Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
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