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Door Lock Signal Wire?

Jaynen Reibling
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Jaynen Reibling Enthusiast

Jaynen Reibling

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Hello.  I am attempting to switch out my manual tailgate lock for a powered tailgate lock.  I have switched out all the hardware in the tailgate and now I just need a power wire for it.

 

So what I need is a signal wire saying the truck is locked via the fob.  I can use this signal wire for a relay and run the wires to the back of the truck.

 

I tried looking at the door lock switch as this functions properly. (Works all the time except when you hit lock of the fob, then its disabled). But i saw 4 wires at the switch.  2 seemed to be 12v and 1 seemed to be ground.  How do the door lock switch wires work and can i use them to get a signal wire?

 

Or anywhere else i should get this signal wire?

 

Thanks 

Brent D Enthusiast

Brent D

Posted
Posted

I do not know the current wire schematic for door locks, however, there are 2 spots you can tap into, one is on the foot panel by the door and the other is the wiring harness up under dash. Im sure someone can chime in with the correct wiring color. Can you post your year model and trim level as this may help whoever is looking it up. I did this exact thing on my 2016 and it was super easy once I knew which wire to tap.

Jaynen Reibling Enthusiast

Jaynen Reibling

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1 hour ago, Brent D said:

I do not know the current wire schematic for door locks, however, there are 2 spots you can tap into, one is on the foot panel by the door and the other is the wiring harness up under dash. Im sure someone can chime in with the correct wiring color. Can you post your year model and trim level as this may help whoever is looking it up. I did this exact thing on my 2016 and it was super easy once I knew which wire to tap.

Thanks for the reply.  Its a 2020 Silverado LT but i swear its a base model 🤣.

  • 2 weeks later...
  • 5 months later...
DasGoob Enthusiast

DasGoob

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Posted
On 10/28/2022 at 4:37 AM, Jaynen Reibling said:

Well I did manage to get an OEM GM tailgate release popper to work.  Was quite the nightmare but it seems to be working.

And how did you get the power?  Please share for us dummies.

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