I just bought a 05 F150 STX. The does not have power locks or windows. I noticed that when I turn off the ignition , the doors automaticly unlock. How is this possible with manual locks? Is this some safety feature? I was wondering if I can overide the locks so they wont unlock all of the time.
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The radio not turning off when you turn off your vehicle could have something to do with your ignition switch, and the accessory position on the ignition switch itself. On older vehicles, this becomes worn out, and a little sloppy. This in turn causes the ignition switch to provide power to the accessories even when it should not. It's a far shot in the dark, but It's a possibility.
When the battery is disconnected, the ADL mode returns to the default
setting (Mode A). The following procedure must be used to set the ADL
function to Mode B whenever the battery has been disconnected.
Perform the following procedure to initialize the ADL function to Mode B.
Move the shift lever into the "P" position and close all doors.
Turn the ignition switch to the "ON" position.
Within 10 seconds after the ignition switch is turned to the "ON"
position, push and hold the rear side (unlock position) of the door
lock switch for 5 seconds.
All doors will automatically lock and unlock when you release the power door lock switch.
This indicates that the ADL function is set to Mode B. If all doors
do not lock and unlock, the time the switch was held may have been too
short or too long. Perform the procedure over again starting from step
There is a technical service bulletin out on this probelm on 2004/2005 F150. ISSUE:
Some 2004-2005 F-150 vehicles built through 2/7/2005, may exhibit an inoperative keyless entry keypad. This may be due to the vehicle security module (VSM) not being configured to accept keyless entry keypad input.
The fix is to reprogam the vehicle security module with as-built data. So it would have to go to the dealer to do this.
The tsb number is 05-5-5.