Let go in depth with some theory and testing of ford door ajar switches.
2009 f150 door ajar switch.
Oil pressure switch 6l 3v lower left front of engine.
A mix of rust penetrant and wd 40 fixes most of these.
02 f 150 supercrew xlt 11 f 150 ecoboost lariat 07 ranger 01 supercrew 98 supercab 4x4 other fords owned.
The 2009 ford f 150 has 2 problems reported for door ajar sensor faulty.
Brake fluid level switch brake fluid reservoir.
Door ajar switch right rear right rear door.
Door ajar switch left rear left rear door.
00 taurus 96 t bird 95 escort gt 93 mustang 5 0 93 festiva 92 sable 86 mustang 82 mustang f150 forum.
Fixing the rear left door ajar problem.
2009 2015 f150 door ajar light stays on 2009 2015 f150 windows wont go down 2.
Welcome back to the shop.
Average repair cost is 20 at 129 400 miles.
Brake pedal position bpp switch left side of dash.
Oil pressure switch 6l 2v lower left front of engine.