Brake away switch wiring to junction box under hitch

[Coriley]

I have a 2015 Heartland Big Country 5th Wheel. For whatever reason the Brake Away switch wiring has been pulled loose from the brake away switch and one of the wires pulled out of the junction box. I have purchased a new switch which has two wires that need to be connected in the junction box. Since one of the wires had been pulled completely out of the junction box, I have no idea which wire nut it goes in. I am attaching a picture of the wire groups in the junction box. I have already put one wire from the brake away switch in the "Red & Black" group of wires where you see my hand. The old wire was still attached in this wire nut. Can someone tell me where the other wire attaches.

 

[Roller4tan]

Blue is the brake wire

 

[Coriley]

So one wire from the brake away switch goes in the wire nut with the light blue/dark blue wires....Correct?

 

[Dahillbilly]

So one wire from the brake away switch goes in the wire nut with the light blue/dark blue wires....Correct?

yep if it's wired correctly it should work then

 

[Coriley]

Thanks

 

[AidanMoran]

Based on what you've described and the photo you've provided, it looks like you've made a good start by connecting one wire to the "Red & Black" group. Since the old wire was also attached there, it's reasonable to assume that the second wire from the new switch should go in the same group. However, to ensure everything is connected correctly, using a voltage tester could be beneficial. If you're still feeling uncertain, seeking advice from an electrician or diving deeper into the workings of electrical junction boxes might offer some valuable insights.