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Electric brake wiring plug under dash


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On 4/8/2023 at 6:58 AM, silveradosid said:

red=power blue goes to trailer plug white=ground and the small wht/blue is the brake signal

brake controller.pdf 90.77 kB · 5 downloads

Yeah, I'm looking to see what the other wires on the truck side plug are for. there are 8 other pins with wires in the plug on the truck side. 

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They go to nothing.  Connector breakdown shows all the other circuits as unoccupied.  Schematic shows only 5 wires as going to anything.  Pin 1 is ground, pin 2 is for 9C1 cop or 5W4 SSV horn relay only, pin 3 and 4 go nowhere, pin 5 is brake apply signal, pin 6 goes nowhere, pin 7 is battery voltage, pins 8-13 go nowhere and 14 is trailer aux control.  

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3 hours ago, newdude said:

They go to nothing.  Connector breakdown shows all the other circuits as unoccupied.  Schematic shows only 5 wires as going to anything.  Pin 1 is ground, pin 2 is for 9C1 cop or 5W4 SSV horn relay only, pin 3 and 4 go nowhere, pin 5 is brake apply signal, pin 6 goes nowhere, pin 7 is battery voltage, pins 8-13 go nowhere and 14 is trailer aux control.  

OK, I was hoping there would be a reverse signal in there to wire a back up alarm. Only thing I can see is tapping into the fuse box at F55. 

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1 hour ago, Andy Villeneuve said:

OK, I was hoping there would be a reverse signal in there to wire a back up alarm. Only thing I can see is tapping into the fuse box at F55. 

 

 

What trim level is your truck?

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