Recommended Brake Controller and Plug In Harness for a 2024 GMC Sierra 1500
Updated 09/26/2025 | Published 04/23/2025
Question:
2024 sierra 1500 elevation , kit wires plug into truck harness then plug into controller then into round dial on dash ? No other wiring needed? Plug an play ? truck has hitch an trailer wire plug into
asked by: Tom
Expert Reply:
That is all correct Tom! The Curt Spectrum Brake Controller w/ Custom Harness item # C36QV comes with everything you need to install the brake controller in your 2024 GMC Sierra 1500. 100% plug and play. The harness plugs into the connector located under the dash just to the left of the steering column next to the e-brake pedal.
If you have any additional questions feel free to throw them into the comment box below.
Product Page this Question was Asked From
Curt Spectrum Brake Controller w/ Custom Harness - Dash Mounted Knob - Up to 4 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Plug-In
- Dash-Mounted Knob
- Behind-Dash
- Up to 4 Axles
- Indicator Lights
- Multiple Trailers
- CURT
more information >
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on Trailer Brake Controller
Jerred H.
9/26/2025
Hey Tom, did the Curt Spectrum Brake Controller work out for your 2024 Sierra 1500 as expected? I'm curious because your experience could help others looking to set up their brake controllers.