2006 ford f 150 lariat 5 4 triton.
2006 f150 door ajar switch replacement.
Post by wujcik123 wed jan 12 2011 8 16 pm.
Welcome back to the shop.
This action opens and closes an electrical circuit sending a signal to your vehicle s computer activating the door ajar warning light when the door is open.
More often then not its a dirty door ajar switch which is located in the latch in the door.
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.
A mix of rust penetrant and wd 40 fixes most of these.
Let go in depth with some theory and testing of ford door ajar switches.
06 f150 door ajar light on.
On top of the switch is a plunger that goes up and down.
Shoot a light lubricating oil into the latch and open and close the door several times to work the lube into the pin switch.
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.
My old door check strap was broken when i bought this ford f350.
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.
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.
Fix door ajar light on ford first try lubricating the door ajar switch.
Number 6 is the door ajar switch number 2 is the door latch.
The door ajar switch is a plunger type of switch.