TOYZX wrote:I always prefer to run the blue wire all the way to trailer plug. Brake light wire, grab ya test light and see which wire ate the back of the brake pedal is live when the pedal is pushed. Simple.
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I'm in the process of installing my TowPro and I've just spent some time sketching out the schematics to determine from where to take the brake light signal. The Redarc pre-made wiring harness has an additional core which goes all the way to the trailer plug, and I wanted to see if there was a simpler way.
The schematics are quite confusing and somewhat deceiving because 2 junction connectors are referenced (A45 and A46) and the way it is drawn is makes you think believe the brake pedal switch activates the brake lights, but i don't believe this is case. It seems the brake pedal switch only goes to the shift lock ECU for auto transmissions, and the actual brake light signal originates from the brake actuator assembly.
What this would mean is the manual override function on the TowPro will not operate the brake lights.
Could someone that has wired the signal to the brake pedal switch perform a manual override and let us know if the brake lights operate.
Thanks.
Tom.