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My windows on my 2005 F150 FX4 will only operate from the drivers door switches. New switch panel on the drivers door.

Posted by John Hamilton on


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Jeff Armer

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  • Cars & Trucks Master
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What's FX4 ? How many door's ? Do the other door switches have battery power ? Can you test this with a volt meter ?

Principles of Operation
The left front window switch may be used to raise or lower all windows, or each individual side window may be controlled by the control switch located on each door panel.
The instrument control module (ICM) controls power to the power window system by activating or deactivating the delayed accessory relay.
The one-touch down feature will completely lower the driver side window when the master control is fully depressed, then released. The one-touch down feature is integrated into the LF window control switch.
There are 2 modes of LF window down operation: manual mode and auto mode. The manual mode is selected by pressing the LF window control switch to the 1st (DOWN) position. In manual mode, the window will move downward only while the switch is depressed. When the LF window control switch is pressed to the 2nd DOWN position, it enters auto mode and the window will open completely with a momentary press of the switch.
When the one-touch down feature has been activated, it will stay on until one of the following conditions is met:

  • The LF window control switch is pushed to the UP position.
  • The LF window control switch is released (OFF position) and then moved to the DOWN position (1st detent) or ONE-TOUCH DOWN (OTD) position (2nd detent).
  • 7 seconds have elapsed since OTD was initiated.
Window operation is enabled whenever the delayed accessory is active and the LF window control switch is pressed to the UP or DOWN position. The switch provides delayed accessory power to one side of the motor and ground to the other side. The one-touch down feature is not active when the LF window control switch is in the UP position.
Passenger windows may be raised or lowered using the LF window control switch or the appropriate passenger window control switch. Passenger window control switches receive power when the delayed accessory relay is active and the LF remote lock-out switch is in the UNLOCK position. When in the LOCK-OUT position, the passenger windows are deactivated.
The delayed accessory relay provides power for the operation of the power windows and the power roof opening panel. The delayed accessory relay is active whenever 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.
The ICM will deactivate the delayed accessory feature when:
  • The LF door is ajar and the ignition switch is in the OFF/LOCK or KEY-OUT position.
  • The RF door is ajar and the ignition switch is in the OFF/LOCK or KEY-OUT position.
  • 10 minutes have elapsed since the ignition switch was changed from ACC or RUN to the OFF/LOCK position.
  • Symptom Chart Condition Possible Sources Action
    • All power windows are inoperative
    • Fuse(s).
    • Circuitry.
    • Instrument cluster module (ICM).
    • Accessory delay relay.
    • Driver window control switch.
    • Go To Pinpoint Test A .

Posted on Jul 10, 2018


5 Related Answers


  • 1 Answer

SOURCE: Elantra power windows work from door switches but fail from main

It was very srange, but all the contacts inside the switches of the main power window console (mounted in driver's door) were covered with soot.
I have disassembled the switch and cleaned the contacts. All functions well now.
The problem occured on a car that is used very rarely, that was most probably the reason of the sudden failure of the system.
Replacement of the main power windows switch would do the same but I have saved the expense this time. Hope the repair will last until I will sell the car.

Posted on Jan 03, 2009



  • 1 Answer

SOURCE: How to make rear power windows on police interceptor operational

pull the b pillar cover off next to the driver's seat, there will be a connector with 2 red wires mounted to the b pillar right next to the seat belt retractor, find the other connector, and connect them. should operate normally.

Posted on Feb 28, 2009


  • 104 Answers

SOURCE: Toyota Camry power windows not working from master switch

Their are two fuses that power this system. One is a 15 amp gauge fuse and the other one is a 30 amp main power fuse. You can also check the power main relay, your ignition switch, or i could possibly be a fault in the wiring

Posted on Mar 11, 2009


  • 23 Answers

SOURCE: Subaru Outback 2005 - Driver side door/window

The switches in Subarus are made by Nissan believe it or not. They are not interchangeable. Anyway, I suspect you have a bad window switch. You can pickup the whole bank of swiches or replace just the one. Do a search on ebay for your part.
Has this car had body damage on the driver's door? You could have a cut wire inside the door.

Posted on May 07, 2009


Ned C Cook

  • 3433 Answers

SOURCE: 98 chevy blazer power window issue

sugest fuse ck 1st thing. Master bypasses individual controls. Power supply to rear windows is interupted. Ck for connevtor under front seats. Fuse may be labrled accessory or per win.

Posted on May 12, 2009

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try taking apart and cleanig all contacts first. make sure you are getting power to switch. Sounds more switches are going bad. They usually last about 5 to 7 years before they start going out.

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