tsaoandy12
Member
- Joined
- Feb 24, 2026
- Threads
- 3
- Messages
- 8
- Reaction score
- 7
- Location
- Maryland, US
- Vehicle(s)
- 2025 Mustang GT
- Thread starter
- #1
I just installed premium mirrors with puddle lights, turn signals, and heating on my 2025 Mustang GT (301A), so I figured I’d share. Make sure you have the correct door harness before attempting this mod. Base Mustangs with the 6-speaker system will likely need a new door harness that includes the wiring and pins for these features. The Harness need for both doors are PR3Z-14630-HA and PR3Z-14630-KA.
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