Windows and Glass: Description and Operation

2012 Ford E 450 V10-6.8LSECTION Description and Operation



Glass, Frames and Mechanisms

The glass, frames and mechanisms consist of the following:

- Accessory delay relay

- Body side window(s) (if equipped)

- Front door window glass

- Power window regulator and motor (if equipped)

- Quarter window glass (if equipped)

- Rear door window glass (if equipped)

- Smart Junction Box (SJB)

- Sliding door window glass (if equipped)

- Windshield glass

- Window regulator

The window control switches are located on the front door trim panels. The LH front window control switch is located on the LH front door trim panel and can be used to activate all power windows.

A single window control switch is located on the RH front door trim panel and can be used to raise or lower only the RH front window.

If equipped with power windows, the window control switch:

- will operate the power windows when the ignition switch is in the RUN or ACC position, or the delayed accessory feature is active.

- may be used to raise or lower the driver side or passenger side window from the LH front window control switch, or an individual window from the corresponding window control switch located in the door trim panel.

- includes a one-touch down feature for the LH front window.

- can proportionally lower the LH front window when the LH front window control switch is pressed to the 1st detent.

- will automatically lower the LH front window control switch when the LH front window control switch is momentarily pressed to the second detent.

Delayed accessory feature

The accessory delay relay, located in the SJB (Smart Junction Box), provides power for the operation of the power windows. The accessory delay feature is active when the ignition switch is in the RUN or the ACC position, or when the ignition switch is changed from RUN or ACC to the OFF/LOCK position and the LF and RF doors are closed.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.