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The Peterbilt Module Door Control Driver is the OEM control unit for the driver’s door on many Peterbilt (and Kenworth‑compatible) trucks. It handles key door functions like power windows, door locks, and mirror adjustments via the truck’s multiplexed electrical system. Designed as a direct‑fit replacement module, it connects to factory wiring harnesses to restore full door‑side electronic control. When properly installed, this Peterbilt Q27-1048-2000 control unit helps bring back convenient, responsive window and lock functions for drivers.
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