Cargo lights

[cmysstailights]

I have a 2015 high country 2500. My backup lights in my trailer mirrors dont come on in reverse or unlock and lock unless i push the cargo light switch each and every time i start the truck. How do i change this, my 14 1500 i didnt have to push anything it automatically worked.

 

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[pgamboa]

Diode mod in the BCM between the brown and pink connectors.

http://www.gm-trucks.com/forums/topic/164156-cargo-lights-on-with-reverse-lights/




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[cmysstailights]

Diode mod in the BCM between the brown and pink connectors.

http://www.gm-trucks.com/forums/topic/164156-cargo-lights-on-with-reverse-lights/




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Thx

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[cmysstailights]

Jumped like i did in old truck, only works if i push dash button to enable cargo lamps. Once i shut off truck and restart i have to push the button again. Even bed lights wont work with key fob unless i push switch to enable cargo lamps

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