-wrap-mode: nowrap;">Door Controller (Model: WG1664331070), also known as the Door Control Module, serves as the core control unit for the door systems in heavy-duty trucks such as Sinotruk Howo and Howan.

Core Information

Function

Integrates control for electric window operation, central door locking/unlocking, and mirror adjustment.

Select versions also support remote unlocking and anti-theft alarm systems.

Compatible Models

Primarily fits Sinotruk Howo T7H, Howan J5/J7/N7G heavy-duty trucks as original equipment electrical control components.

Structural Features

Features a black plastic housing with a multi-pin connector on the side for connecting to the door wiring harness, enabling signal and power transmission.

The housing number “WG1664331070” is the original equipment part number, serving as the key reference for identification and procurement.

Importance

Failure of this module may result in issues such as windows failing to operate or central locking malfunctioning. Professional diagnostic equipment is required to read fault codes before replacement.