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Spoof a connected trailer for side camera function

Steve Wagner
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Steve Wagner Enthusiast

Steve Wagner

Posted
Posted

Anyone know of a mod for this?  When a trailer is connected to my 2020 Sierra AT4, the side cameras activate when you activate your turn signals, shows the whole side of your truck and aft on your screen, very cool.  Unfortunately it only works when a trailer is connected and I'd like that feature on all the time.  Is there a way to plug in a connector to the trailer jack that will spoof a trailer being connected?  Maybe a pin connector with resistors to show load? 

Steve

romclean1 Enthusiast

romclean1

Posted
Posted
Any 7 pin simulator should work I would think.


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I thought the same thing, tried 3 different simulators and they didn’t fool the truck.


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topgear1224 Enthusiast

topgear1224

Posted
Posted

I thought the same thing, tried 3 different simulators and they didn’t fool the truck.


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Wierd I wonder if it uses AI with the rear camera.

you could try a complete wiring harness like the ones they sell at Walmart with the lights and everything and just throw them in the bed and see if that works. [emoji1745]

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Ezekiel2517 Enthusiast

Ezekiel2517

Posted
Posted

Maybe you need an actual load or a completed circuit.  The trailer connector adapters are still leaving you with an open circuit.   Try hooking up one of those sets of magnetic trailer lights from harbor freight. 

romclean1 Enthusiast

romclean1

Posted
Posted
When you tried the simulators did you have it in tow/haul mode?
Tom

Yes tried it, didn’t make any difference for me. Important to note that the testers are designed to test the trucks wiring, which is very different than simulating a trailer.

I do think you could modify a tester and add a load for each lamp, I considered it and then decided that I like my backup sensors more.
I think the guys from White Auto (the magical programming gurus) said this was a complex problem to solve as well.


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  • 3 years later...
Matt505574 New Member

Matt505574

Posted
Posted

Just bought this for the 7-way plugin on my 2022 sierra (it doesn't have a factory flat).  Anyway, works perfectly.  The truck recognized it as a trailer and i set up a profile for it.  Tried putting a photo of it installed but cant figure out how to.  It doesn't look bad at all leaving it in.
 

Reese Towpower 78118 Professional Wiring Adapter, 7-Way Blade to 4- or 5-Way Flat, LED Circuit Tester,Regular 
https://a.co/d/csR1d5l

eppieguy Senior Enthusiast

eppieguy

Posted
Posted

But you still lose the rear parking sensors.

  • 8 months later...

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