Get yourself a can of brake cleaner with a straw and a can of wd 40 from a parts store and install the straw in the brake clean now spray the latch liberally then close and open the door six.
2006 f150 door ajar switch replacement.
Fix door ajar light on ford first try lubricating the door ajar switch.
If that doesn t work disconnect the electrical connector at the door latch and test for bcm power and ground.
My 2006 ford f150 driver side door sensor is not working.
2006 ford f 150 lariat 5 4 triton.
The sensor typically uses a switch with a spring loaded plunger that is compressed when the door is closed and is released when the door is open.
Let go in depth with some theory and testing of ford door ajar switches.
The door ajar switch is a plunger type of switch.
Shoot a light lubricating oil into the latch and open and close the door several times to work the lube into the pin switch.
On top of the switch is a plunger that goes up and down.
It made a terrible creaking noise whenever the door was closed so i had enough.
A mix of rust penetrant and wd 40 fixes most of these.
More often then not its a dirty door ajar switch which is located in the latch in the door.
If no one answers up do a search on door ajar switch or dome light switch there has been posting about spraying the door latch with wd40.
06 f150 door ajar light on.
Welcome back to the shop.
Number 6 is the door ajar switch number 2 is the door latch.
The switch is twisted into the bottom of the door latch and when the door is closed the door latch has a arm that comes down and pushes on the plunger of the switch to show the.