Does Curt Brake Controller 51120 Fit 2023 GMC Sierra 1500
Updated 09/12/2025 | Published 05/29/2025
Question:
Do you know if a Curt 51120 Brake Controller will work on my 2023 GMC Sierra 1500 SLT?
asked by: James C
0
Expert Reply:
Hey James, the Curt 51120 is the Discovery NEXT brake controller which does fit your 2023 GMC Sierra 1500 with the part # C97YV which comes with the needed custom install harness for your truck. What are you planning on towing?
expert reply by:
Jameson C
0
Product Page this Question was Asked From
Curt Discovery NEXT Trailer Brake Controller w/ Custom Harness - Up to 4 Axles - Time Delayed
- Trailer Brake Controller
- Time Delayed Controller
- Electric
- Electric over Hydraulic
- Plug-In
- Under-Dash Box
- Under-Dash
- Up to 4 Axles
- LCD Display
- Single Trailer Only
- CURT
more information >
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Jameson C.
9/12/2025
Hey, did the Curt Discovery NEXT brake controller work out for your GMC Sierra? I'm asking because I'd love to know how it went for others looking to tow with a similar setup.