Does Curt Triflex # C46SV Come with Install Harness for 2003 Ford F-350
Updated 04/24/2026 | Published 04/18/2026 >
Question:
Does the c46sv come with the adapter harness or does it have to be purchased separately
asked by: Chris I
Expert Reply:
Hey Chris, the Curt TriFlex brake controller part # C46SV does come with a custom fit install harness for an easy install in your 2003 Ford F-350.
What are you planning on towing?

Mike F.
4/24/2026
Like the controller to plug and play was great. Just need to learn how to use it better otherwise it’s great.
Product Page this Question was Asked From
Curt TriFlex NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Plug-In
- Under-Dash Box
- Under-Dash
- Up to 4 Axles
- LCD Display
- Single Trailer Only
- CURT
more information >
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Chris I.
4/23/2026
Will be towing under 20,000 lbs equipment/dumptrailer. Boats and campers