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Posted

Ordered these factory mirrors and dealer had to return them as they will not fit my 2021 GMC Sierra AT4. They said my RPO is DEZ and these will only work for RPO DLF.  anyone aware of any other tow mirrors other than the extensions? I am also on waiting list from boost auto parts.  

  • 1 month later...
Posted

I just came to the dealership after installing these mirrors and harnesses only to find out they cannot flash it to work. Truck originally had blind spot monitors, so they say that’s why it will not work. Turn signals and power mirror portion works so I may just deal with check engine light. Don’t really care about spot lamps not working but the remote start stopped working so that may be a deal breaker for me. 2021 Sierra Elevation 3.0

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  • 4 weeks later...
Posted

I've searched around here a bit and didn't find an answer.  Does anyone know if the mounting base for the tow mirrors on the HD trucks is the same as the 1500's?  Looking on gmpartsdirect.com there are several variations of the tow mirrors for the Sierra 2500 HD - specifically blind spot, without surround view.  Sounds like exactly what I need.  

 

Has anyone explored this method for getting tow mirrors on the non-technology package 1500's?

 

Sierra 2500 HD tow mirror - blind spot wo/surround view

  • 1 month later...
Posted
On 1/21/2022 at 3:58 PM, Drew6424 said:

I've searched around here a bit and didn't find an answer.  Does anyone know if the mounting base for the tow mirrors on the HD trucks is the same as the 1500's?  Looking on gmpartsdirect.com there are several variations of the tow mirrors for the Sierra 2500 HD - specifically blind spot, without surround view.  Sounds like exactly what I need.  

 

Has anyone explored this method for getting tow mirrors on the non-technology package 1500's?

 

Sierra 2500 HD tow mirror - blind spot wo/surround view

I am currently wondering the same about whether 2500 mirror will work on a 1500. So far I've been told no, doors are different.

Posted

I just bought the tow mirror kit and harnesses from local dealer. Had them program bcm after I installed it. Everything works great. 

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