Wiring Diagram Tekonsha Voyager Brake Controller # 39510 I have a 2006 chevy suburban equipted w a trailer package, I have the wiring harness to install on to my Tekonsha voyager brake controller. The problem I have is there are 5 wires on the wiring harness and only 4 on the controller. Brake Controller Installation: Starting from Scratch Wiring the 7-Way Trailer Connector and Brake Controller. 1. Return to the duplex cable under the hood, where the brake wire (now white) needs to be separated from the 12 volt hot lead (black).
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