Ford Sync 4 12″ Screen Upgrade — Installation Manual
For 2015–2020 Ford F-150 and 2017–2022 F-250 / F-350 Super Duty · 8″ or 4″ Sync 3 to 12″ Sync 4 · Last updated: June 2026
This is the complete, step-by-step installation manual for the FordSync4 12-inch Sync 4 screen upgrade kit. It walks you through removing your factory Sync 3 screen, installing the 12″ Sync 4 assembly and HVAC module, connecting the plug-and-play harness, and verifying that every feature works. Follow the photos in order, and watch the full video walkthrough at the bottom of this page.
Before You Begin
Vehicle fitment: 2015–2020 Ford F-150, and 2017–2022 Ford F-250 / F-350 / F-450 Super Duty. If you're not sure your truck is compatible, contact us with your VIN before you start.
Estimated time: 2–4 hours · Difficulty: Beginner–Intermediate (basic interior trim removal) · Programming: The APIM ships pre-programmed to your truck — no FORScan required for installation.
Tools required:
- Interior trim removal tool
- Basic socket / screwdriver set
Kit contents (confirm against your packing list):
- 12″ Sync 4 screen assembly
- Pre-programmed Sync 4 APIM module
- Sync 4 HVAC module / dash bezel
- Plug-and-play wiring harness with OEM connectors
⚠ Important: Disconnect the negative battery terminal before you begin, and reconnect only when instructed. Work gently when releasing trim clips to avoid cracking the dash bezel.
Full Video Walkthrough
Prefer to watch the install? Here's the complete video guide:
Need Help?
If you run into any issues during installation, see our guide to fixing common Sync 4 upgrade issues, or contact our support team — we offer free remote programming assistance. If a module needs FORScan programming, follow our FORScan programming guide.