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auxiliary switch options

Shoguns80

By Shoguns80
in Modifications, Wheels & Tires

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rbrjr1
rbrjr1

in the legacy body style, it's been a mixed bag, some people had a wiring harness that already pinned out all the switches, but didn't have any relays or battery/switched leads. some people had nothin

Shoguns80
Shoguns80

Looking for an auxiliary switch that'll mount directly in the factory locations and haven't been able to locate any GM part options.  I'm trying to maintain that factory look.   Is anyone aw

Smoothbassman
Smoothbassman

I need these switches in my life!!! Sent from my SM-N960U1 using Tapatalk

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BetaX Enthusiast

BetaX

Posted
Posted
On 10/9/2020 at 11:31 AM, TA^Guy said:

Two options I wanted in my truck but did not because of limited availability was upfitter switches, and trailer TPS.   Does anyone know if the harness and/or relays for this is already in the trucks?  Could the switches be purchased and installed as a 'plug n play' solution?  

Yes. Easy install. About $270 to buy all of the parts. Few threads on here that will give you part #'s and some instructions. 

  • Like 1
  • 1 month later...
  • 1 month later...
ChevyPhil88 New Member

ChevyPhil88

Posted
Posted

I don’t see why we can’t pull the switch panel out and make them “spacer” become switches they look to be like they can be functionable and few years ago I seen where a guy had pull that apart cut plastic piece off and they are actually switches but this was older truck like 15 ish but I haven’t seen anything about 19-20 models where this is the same bc I too bought the grille insert lights and I plan to wire it up to the extra switches/spacers whatever you call them bc I believe they are in fact switches just not it use so they are blocked off, and same time I plan to install the auto stop eliminator just trying to research it more b4 I go into it as I’m waiting for both these items to get delivered so somebody tries this lmk!!!!

  • 2 months later...
Mike Quint New Member

Mike Quint

Posted
Posted (edited)

Were you able to tap into the auxiliary button? I have the same issue.

Edited by Mike Quint
rmac4 Enthusiast

rmac4

Posted
Posted

Following - I'll need the Aux switches once I get my FabFours bumper on for all the extras

  • 2 months later...
Sierra Jon Enthusiast

Sierra Jon

Posted
Posted

Also following... I'd rather use a blank switch than install the upfitters just yet.

todd308 Enthusiast

todd308

Posted
Posted

I recently did the Aux switches, if I had it to do over again I'd either have gone another way, or possibly modified the Aux switch install.   Mostly because to me having the relays/power wires under the dash is really inconvenient, most stuff people want to hook up are in the front end.  So having run to run the small 12-14ga power wires back toward the hood/battery is just silly, plus now you have to find a way to run heavy power wire through the firewall because while the fused switches might be 20-30amp,  the minimum wire gauge for a 10' run at 30amps is 10ga.   Good luck pushing 5 10ga wires through that little firewall port. 

 

I think if I was doing it again, I'd mount the fuse/relays under the hood and try to extend the wiring from the aux switches to the fuse/relay box under the hood.  

 

That or just do it right the first time and use one of the new wireless aux switch setups. 

Transient Senior Enthusiast

Transient

Posted
Posted
15 hours ago, todd308 said:

I recently did the Aux switches, if I had it to do over again I'd either have gone another way, or possibly modified the Aux switch install.   Mostly because to me having the relays/power wires under the dash is really inconvenient, most stuff people want to hook up are in the front end.  So having run to run the small 12-14ga power wires back toward the hood/battery is just silly, plus now you have to find a way to run heavy power wire through the firewall because while the fused switches might be 20-30amp,  the minimum wire gauge for a 10' run at 30amps is 10ga.   Good luck pushing 5 10ga wires through that little firewall port. 

 

I think if I was doing it again, I'd mount the fuse/relays under the hood and try to extend the wiring from the aux switches to the fuse/relay box under the hood.  

 

That or just do it right the first time and use one of the new wireless aux switch setups. 

The Ford Raptor has aux switches where our rear window/sunroof switches are, but the blunt cut wires are under the hood.  Essentially, GM would have to include auxiliary switches as a package or else for all trucks. 

Limelight Enthusiast

Limelight

Posted
Posted

I did this for my train horn install (2500)

 

I had the switch bank completely out. Mine come out in sections of 3. It looks like the board extends into the fake switch area and there is a button on there. I didn’t dig any further because my plan was to drill them for my switches. 
I installed my switches here instead...

 

 

BD85FF6C-1540-474D-9E1D-BDBBD8196C91.jpeg

  • 3 months later...
coryb3006 Enthusiast

coryb3006

Posted
Posted
On 6/1/2021 at 6:13 PM, Limelight said:

I did this for my train horn install (2500)

 

I had the switch bank completely out. Mine come out in sections of 3. It looks like the board extends into the fake switch area and there is a button on there. I didn’t dig any further because my plan was to drill them for my switches. 
I installed my switches here instead...

 

 

BD85FF6C-1540-474D-9E1D-BDBBD8196C91.jpeg

You have any photos of where you put the horn, tank, and compressor?

  • 3 weeks later...
ScottNic New Member

ScottNic

Posted
Posted

I have a 2020 Chevy 2500HD and I want to add a train horn and have it go to my aux switch. I cannot find anything on how to utilize the end blank/switch. My installer cannot find anything through his dealer network...

 

Can anyone lead me in the right direction? [email protected]

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