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James Mead
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James Mead Enthusiast

James Mead

Posted
Posted

I have taken delivery of my 2021 Sierra 1500 SLE. It's used and has this rotary knob/switch installed. It lights up in different colors when pressed and illuminates all or only a few LEDs when rotated. Any guess?

 

James

20220302_125315.jpg

20220302_125338.jpg

newdude Senior Enthusiast

newdude

Posted
Posted (edited)

Brake controller.  More specifically, the Curt Mfg Spectrum series controller - Spectrum Trailer Brake Controller SKU #51170 for $250.58 by CURT Manufacturing (curtmfg.com)

 

More than likely was installed at the dealer because of the factory trailer brake controller shortage/constraint on these trucks that has been on and off the past year or so.  Its sold via GM dealers under part #19418031 and comes with a plug and play factory fit harness to power it.  

 

Here is the link from GM's accessory sites - Spectrum™ Brake Controller Module by CURT™ Group- Associated Accessories | GMC Accessories

Edited by newdude
Rob Mugs Enthusiast

Rob Mugs

Posted
Posted (edited)
5 hours ago, James Mead said:

Thanks guys. Never seen one that small.

That's what she said?

 

Dammit.. missed the fact I was beat by 4 hours.  No option to delete :( 

Edited by Rob Mugs
  • Haha 1
Shaun F New Member

Shaun F

Posted
Posted

So, not to hi-jack this thread, but I'm curious if this can be installed after the vehicle was sold?  Is there any programming needed?  I have a 2022 1500 GMC Sierra Limited Elevation (Not the refresh model) with no trailer brake option.

 

S

James Mead Enthusiast

James Mead

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Posted
9 hours ago, Rob Mugs said:

That's what she said?

 

Dammit.. missed the fact I was beat by 4 hours.  No option to delete :( 

I thought that immediately after i posted it

redwngr Senior Enthusiast

redwngr

Posted
Posted
20 hours ago, Shaun F said:

So, not to hi-jack this thread, but I'm curious if this can be installed after the vehicle was sold?  Is there any programming needed?  I have a 2022 1500 GMC Sierra Limited Elevation (Not the refresh model) with no trailer brake option.

 

S

The factory one doesn't look like that.

 

That is the accessory one -- and it's available because the factory one can't be retro-fit. 

 

Newdude posted a link to the page that shows it at GM Accessories. 

 

It's made and warrantied by Curt

 

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