93'aerostar

I HAVE A '93 AEROSTAR 3.0 LITER.THE DOOR AJAR LIGHT KEEPS COMING ON EVEN WHEN ALL THE DOORS ARE CLOSED.IT FLICKERS ON AND OFF WHENEVER I HIT BUMPS IN THE ROAD OR TURN LEFT SHARPLY.THERE IS A CLICKING NOISE IN THE DASH WHENEVER IT DOES THIS ALSO, WHICH SOUNDS KIND OF ELECTRICAL.IT IS VERY ANNOYING.HOW DO I DISCONNECT THIS,WHAT I GUESS IS A SENSOR?ANY INFO ON HOW TO STRAIGHTEN THIS OUT WOULD BE APPRECIATED! :banghead:

clean all the electrical contact pads at the front of the slider door, on door and pillar
don't use any heavy abrasive or remove any metal. copper wire brush or rub with clean shop cloth until clean
apply coat of petroleum jelly or auto silicone spray