Brake Controller Wiring Connections on a 2005 Winnebago Vectra Motorhome
Published 09/30/2022
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Question:
I have the connector under the dash but there is zero voltage between the red power pin and the ground pin. Can anyone tell me where I can trace these wires?
asked by: James L
Expert Reply:
Sometimes the color of the wires can vary so you basically just want to make sure you have the brake controller functions present so you can connect the wiring from a controller like the Prodigy P2 # 90885 to the correct wires. Here are the functions you'll connect the P2 wiring to:
Blue - 7-Way Output to Trailer
Black - 12V Power
White - Ground
Red - COLD Side of Stop Light Switch (only gets hot when brake pedal is pressed)
If these functions aren't present then you either need a different connector or you'll need to install your own wiring with the Universal Kit # ETBC7 and get Extra Wire # 10-2-1 (sold by the foot) to complete the installation.
(click to enlarge)
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